Đại số sơ cấp Ví dụ

$24000 \div 0.4$

Bước 1

Lập bài toán chia ở dạng phép chia số lớn.

$0$

$4$

$2$

$4$

$0$

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.

$4$

$2$

$4$

$0$

Bước 3

Chia $24$ cho $4$ . Đặt chữ số này vào thương số trên biểu tượng chia.

		$6$
$4$	$2$	$4$	$0$	$0$	$0$	$0$

Bước 4

Nhân chữ số mới nhất của thương số $(6)$ với số chia $4$ .

		$6$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$

Bước 5

Trừ $24$ khỏi $24$ .

		$6$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$

Bước 6

Hạ số tiếp theo của số bị chia xuống.

		$6$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$

Bước 7

Chia $0$ cho $4$ . Đặt chữ số này vào thương số trên biểu tượng chia.

		$6$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$

Bước 8

Nhân chữ số mới nhất của thương số $(0)$ với số chia $4$ .

		$6$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$

Bước 9

Trừ $0$ khỏi $0$ .

		$6$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$

Bước 10

Hạ số tiếp theo của số bị chia xuống.

		$6$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$

Bước 11

Chia $0$ cho $4$ . Đặt chữ số này vào thương số trên biểu tượng chia.

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$

Bước 12

Nhân chữ số mới nhất của thương số $(0)$ với số chia $4$ .

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$

Bước 13

Trừ $0$ khỏi $0$ .

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$

Bước 14

Hạ số tiếp theo của số bị chia xuống.

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$

Bước 15

Chia $0$ cho $4$ . Đặt chữ số này vào thương số trên biểu tượng chia.

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$

Bước 16

Nhân chữ số mới nhất của thương số $(0)$ với số chia $4$ .

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$

Bước 17

Trừ $0$ khỏi $0$ .

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$

Bước 18

Hạ số tiếp theo của số bị chia xuống.

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$

Bước 19

Chia $0$ cho $4$ . Đặt chữ số này vào thương số trên biểu tượng chia.

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$

Bước 20

Nhân chữ số mới nhất của thương số $(0)$ với số chia $4$ .

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$
				$-$		$0$

Bước 21

Trừ $0$ khỏi $0$ .

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$
				$-$		$0$
						$0$

Bước 22

Kết quả của phép chia của $24000 \div 0.4$ là $60000$ .

$60000$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$
				$-$		$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$
				$-$		$0$
						$0$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$
				$-$		$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$
				$-$		$0$
						$0$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$

		$6$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$

		$6$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$
				$-$		$0$

		$6$	$0$	$0$	$0$	$0$
$4$	$2$	$4$	$0$	$0$	$0$	$0$
	$2$	$4$
		$0$	$0$
	$-$		$0$
			$0$	$0$
		$-$		$0$
				$0$	$0$
			$-$		$0$
					$0$	$0$
				$-$		$0$
						$0$