Đại số sơ cấp Ví dụ

$6482.84 \div 46.22$

Bước 1

Lập bài toán chia ở dạng phép chia số lớn.

$4$

$6$

$2$

$6$

$4$

$8$

$2$

$8$

$4$

Bước 2

Di chuyển số thập phân ở cả hai số cùng một số lượng vị trí cho đến khi số chia là một số nguyên không âm.

$4$

$6$

$2$

$6$

$4$

$8$

$2$

$8$

$4$

Bước 3

Chia $6482$ cho $4622$ . Đặt chữ số này vào thương số trên biểu tượng chia.

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$

Bước 4

Nhân chữ số mới nhất của thương số $(1)$ với số chia $4622$ .

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$

Bước 5

Trừ $4622$ khỏi $6482$ .

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$

Bước 6

Hạ số tiếp theo của số bị chia xuống.

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$

Bước 7

Chia $18608$ cho $4622$ . Đặt chữ số này vào thương số trên biểu tượng chia.

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$

Bước 8

Nhân chữ số mới nhất của thương số $(4)$ với số chia $4622$ .

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$

Bước 9

Trừ $18488$ khỏi $18608$ .

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$

Bước 10

Hạ số tiếp theo của số bị chia xuống.

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$

Bước 11

Chia $1204$ cho $4622$ . Đặt chữ số này vào thương số trên biểu tượng chia.

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$

Bước 12

Nhân chữ số mới nhất của thương số $(0)$ với số chia $4622$ .

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$

Bước 13

Trừ $0$ khỏi $1204$ .

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$

Bước 14

Thêm một $0$ vào cuối số bị chia.

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$

Bước 15

Hạ số tiếp theo của số bị chia xuống.

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$

Bước 16

Chia $12040$ cho $4622$ . Đặt chữ số này vào thương số trên biểu tượng chia.

							$1$	$4$	$0$	.	$2$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$

Bước 17

Nhân chữ số mới nhất của thương số $(2)$ với số chia $4622$ .

							$1$	$4$	$0$	.	$2$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$

Bước 18

Trừ $9244$ khỏi $12040$ .

							$1$	$4$	$0$	.	$2$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$

Bước 19

Thêm một $0$ vào cuối số bị chia.

							$1$	$4$	$0$	.	$2$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$

Bước 20

Hạ số tiếp theo của số bị chia xuống.

							$1$	$4$	$0$	.	$2$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$

Bước 21

Chia $27960$ cho $4622$ . Đặt chữ số này vào thương số trên biểu tượng chia.

							$1$	$4$	$0$	.	$2$	$6$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$

Bước 22

Nhân chữ số mới nhất của thương số $(6)$ với số chia $4622$ .

							$1$	$4$	$0$	.	$2$	$6$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$
							$-$	$2$	$7$	$7$	$3$	$2$

Bước 23

Trừ $27732$ khỏi $27960$ .

							$1$	$4$	$0$	.	$2$	$6$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$
							$-$	$2$	$7$	$7$	$3$	$2$
										$2$	$2$	$8$

Bước 24

Thêm một $0$ vào cuối số bị chia.

							$1$	$4$	$0$	.	$2$	$6$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$
							$-$	$2$	$7$	$7$	$3$	$2$
										$2$	$2$	$8$

Bước 25

Hạ số tiếp theo của số bị chia xuống.

							$1$	$4$	$0$	.	$2$	$6$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$
							$-$	$2$	$7$	$7$	$3$	$2$
										$2$	$2$	$8$	$0$

Bước 26

Chia $2280$ cho $4622$ . Đặt chữ số này vào thương số trên biểu tượng chia.

							$1$	$4$	$0$	.	$2$	$6$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$
							$-$	$2$	$7$	$7$	$3$	$2$
										$2$	$2$	$8$	$0$

Bước 27

Nhân chữ số mới nhất của thương số $(0)$ với số chia $4622$ .

							$1$	$4$	$0$	.	$2$	$6$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$
							$-$	$2$	$7$	$7$	$3$	$2$
										$2$	$2$	$8$	$0$
									$-$				$0$

Bước 28

Trừ $0$ khỏi $2280$ .

							$1$	$4$	$0$	.	$2$	$6$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$	$0$	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$	$0$
						$-$		$9$	$2$	$4$	$4$
								$2$	$7$	$9$	$6$	$0$
							$-$	$2$	$7$	$7$	$3$	$2$
										$2$	$2$	$8$	$0$
									$-$				$0$
										$2$	$2$	$8$	$0$

Bước 29

Kết quả của phép chia của $6482.84 \div 46.22$ là $140.26 \dots$ .

$140.26 \dots$

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$

							$1$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$

							$1$	$4$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$

							$1$	$4$	$0$
$4$	$6$	$2$	$2$	$6$	$4$	$8$	$2$	$8$	$4$	.	$0$
			$-$	$4$	$6$	$2$	$2$
				$1$	$8$	$6$	$0$	$8$
			$-$	$1$	$8$	$4$	$8$	$8$
						$1$	$2$	$0$	$4$
					$-$				$0$
						$1$	$2$	$0$	$4$