Preparazione all'algebra Esempi

$61.7 \div 0.5$

Passaggio 1

Imposta il problema della divisione nel formato in colonna.

$0$

$5$

$6$

$1$

$7$

Passaggio 2

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

$5$

$6$

$1$

$7$

Passaggio 3

Dividi $6$ per $5$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

	$1$
$5$	$6$	$1$	$7$

Passaggio 4

Moltiplica la cifra quoziente appena ottenuta $(1)$ per il divisore $5$ .

	$1$
$5$	$6$	$1$	$7$
$-$	$5$

Passaggio 5

Sottrai $5$ da $6$ .

	$1$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$

Passaggio 6

Abbassa il numero successivo del dividendo.

	$1$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$

Passaggio 7

Dividi $11$ per $5$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

	$1$	$2$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$

Passaggio 8

Moltiplica la cifra quoziente appena ottenuta $(2)$ per il divisore $5$ .

	$1$	$2$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$

Passaggio 9

Sottrai $10$ da $11$ .

	$1$	$2$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$

Passaggio 10

Abbassa il numero successivo del dividendo.

	$1$	$2$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$

Passaggio 11

Dividi $17$ per $5$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

	$1$	$2$	$3$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$

Passaggio 12

Moltiplica la cifra quoziente appena ottenuta $(3)$ per il divisore $5$ .

	$1$	$2$	$3$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$

Passaggio 13

Sottrai $15$ da $17$ .

	$1$	$2$	$3$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$

Passaggio 14

Aggiungi $0$ alla fine del dividendo.

	$1$	$2$	$3$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$

Passaggio 15

Abbassa il numero successivo del dividendo.

	$1$	$2$	$3$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$

Passaggio 16

Dividi $20$ per $5$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$

Passaggio 17

Moltiplica la cifra quoziente appena ottenuta $(4)$ per il divisore $5$ .

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$
			$-$	$2$	$0$

Passaggio 18

Sottrai $20$ da $20$ .

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$
			$-$	$2$	$0$
					$0$

Passaggio 19

Il risultato della divisione di $61.7 \div 0.5$ è $123.4$ .

$123.4$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$
			$-$	$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$
			$-$	$2$	$0$
					$0$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$
			$-$	$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$
			$-$	$2$	$0$
					$0$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$

	$1$	$2$	$3$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$
			$-$	$2$	$0$

	$1$	$2$	$3$	.	$4$
$5$	$6$	$1$	$7$	.	$0$
$-$	$5$
	$1$	$1$
$-$	$1$	$0$
		$1$	$7$
	$-$	$1$	$5$
			$2$	$0$
			$-$	$2$	$0$
					$0$