기초 수학 예제

$238.75 \div 10.5$

단계 1

긴 나눗셈 형식으로 나누기 문제의 식을 세웁니다.

$1$

$0$

$5$

$0$

$2$

$3$

$8$

$7$

$5$

단계 2

제수가 정수가 될 때까지 두 숫자 모두 같은 자리수만큼 소수점을 옮깁니다.

$1$

$0$

$5$

$0$

$2$

$3$

$8$

$7$

$5$

단계 3

$2387$ 를 $1050$ 으로 나눕니다. 나누기 기호 위에 있는 몫에 이 숫자를 적습니다.

							$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$

단계 4

새로운 몫의 자릿수 $(2)$ 에 제수 $1050$ 를 곱합니다.

							$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$

단계 5

$2387$ 에서 $2100$ 을 뺍니다.

							$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$

단계 6

피제수의 다음 숫자를 내려 적습니다.

							$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$

단계 7

$2875$ 를 $1050$ 으로 나눕니다. 나누기 기호 위에 있는 몫에 이 숫자를 적습니다.

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$

단계 8

새로운 몫의 자릿수 $(2)$ 에 제수 $1050$ 를 곱합니다.

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$

단계 9

$2875$ 에서 $2100$ 을 뺍니다.

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$

단계 10

피제수 끝에 $0$ 를 더합니다.

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$

단계 11

피제수의 다음 숫자를 내려 적습니다.

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$

단계 12

$7750$ 를 $1050$ 으로 나눕니다. 나누기 기호 위에 있는 몫에 이 숫자를 적습니다.

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$

단계 13

새로운 몫의 자릿수 $(7)$ 에 제수 $1050$ 를 곱합니다.

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$

단계 14

$7750$ 에서 $7350$ 을 뺍니다.

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$

단계 15

피제수 끝에 $0$ 를 더합니다.

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$

단계 16

피제수의 다음 숫자를 내려 적습니다.

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$

단계 17

$4000$ 를 $1050$ 으로 나눕니다. 나누기 기호 위에 있는 몫에 이 숫자를 적습니다.

							$2$	$2$	.	$7$	$3$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$

단계 18

새로운 몫의 자릿수 $(3)$ 에 제수 $1050$ 를 곱합니다.

							$2$	$2$	.	$7$	$3$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$
							$-$	$3$	$1$	$5$	$0$

단계 19

$4000$ 에서 $3150$ 을 뺍니다.

							$2$	$2$	.	$7$	$3$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$
							$-$	$3$	$1$	$5$	$0$
									$8$	$5$	$0$

단계 20

피제수 끝에 $0$ 를 더합니다.

							$2$	$2$	.	$7$	$3$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$
							$-$	$3$	$1$	$5$	$0$
									$8$	$5$	$0$

단계 21

피제수의 다음 숫자를 내려 적습니다.

							$2$	$2$	.	$7$	$3$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$
							$-$	$3$	$1$	$5$	$0$
									$8$	$5$	$0$	$0$

단계 22

$8500$ 를 $1050$ 으로 나눕니다. 나누기 기호 위에 있는 몫에 이 숫자를 적습니다.

							$2$	$2$	.	$7$	$3$	$8$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$
							$-$	$3$	$1$	$5$	$0$
									$8$	$5$	$0$	$0$

단계 23

새로운 몫의 자릿수 $(8)$ 에 제수 $1050$ 를 곱합니다.

							$2$	$2$	.	$7$	$3$	$8$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$
							$-$	$3$	$1$	$5$	$0$
									$8$	$5$	$0$	$0$
								$-$	$8$	$4$	$0$	$0$

단계 24

$8500$ 에서 $8400$ 을 뺍니다.

							$2$	$2$	.	$7$	$3$	$8$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$
							$-$	$3$	$1$	$5$	$0$
									$8$	$5$	$0$	$0$
								$-$	$8$	$4$	$0$	$0$
										$1$	$0$	$0$

단계 25

나눗셈 $238.75 \div 10.5$ 의 결과는 $22.738 \dots$ 입니다.

$22.738 \dots$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$

							$2$	$2$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$

							$2$	$2$	.	$7$
$1$	$0$	$5$	$0$	$2$	$3$	$8$	$7$	$5$	.	$0$	$0$
			$-$	$2$	$1$	$0$	$0$
					$2$	$8$	$7$	$5$
				$-$	$2$	$1$	$0$	$0$
						$7$	$7$	$5$	$0$
						$-$	$7$	$3$	$5$	$0$
								$4$	$0$	$0$	$0$