Preparazione all'algebra Esempi

$31.284 \div 2.37$

Passaggio 1

Imposta il problema della divisione nel formato in colonna.

$2$

$3$

$7$

$3$

$1$

$2$

$8$

$4$

Passaggio 2

Sposta il decimale dello stesso numero di posti in entrambi i numeri finché il divisore non è un numero intero.

$2$

$3$

$7$

$3$

$1$

$2$

$8$

$4$

Passaggio 3

Dividi $312$ per $237$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

					$1$
$2$	$3$	$7$	$3$	$1$	$2$	$8$	.	$4$

Passaggio 4

Moltiplica la cifra quoziente appena ottenuta $(1)$ per il divisore $237$ .

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

Passaggio 5

Sottrai $237$ da $312$ .

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

Passaggio 6

Abbassa il numero successivo del dividendo.

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

Passaggio 7

Dividi $758$ per $237$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 8

Moltiplica la cifra quoziente appena ottenuta $(3)$ per il divisore $237$ .

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

Passaggio 9

Sottrai $711$ da $758$ .

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

Passaggio 10

Abbassa il numero successivo del dividendo.

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

Passaggio 11

Dividi $474$ per $237$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 12

Moltiplica la cifra quoziente appena ottenuta $(2)$ per il divisore $237$ .

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

Passaggio 13

Sottrai $474$ da $474$ .

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

Passaggio 14

Il risultato della divisione di $31.284 \div 2.37$ è $13.2$ .

$13.2$

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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