Preparazione all'algebra Esempi

$\frac{25.4}{0.008}$

Passaggio 1

Imposta il problema della divisione nel formato in colonna.

$0$

$8$

$2$

$5$

$4$

Passaggio 2

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

$8$

$2$

$5$

$4$

$0$

Passaggio 3

Dividi $25$ per $8$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

		$3$
$8$	$2$	$5$	$4$	$0$	$0$

Passaggio 4

Moltiplica la cifra quoziente appena ottenuta $(3)$ per il divisore $8$ .

		$3$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$

Passaggio 5

Sottrai $24$ da $25$ .

		$3$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$

Passaggio 6

Abbassa il numero successivo del dividendo.

		$3$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$

Passaggio 7

Dividi $14$ per $8$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

		$3$	$1$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$

Passaggio 8

Moltiplica la cifra quoziente appena ottenuta $(1)$ per il divisore $8$ .

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

Passaggio 9

Sottrai $8$ da $14$ .

		$3$	$1$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$

Passaggio 10

Abbassa il numero successivo del dividendo.

		$3$	$1$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$

Passaggio 11

Dividi $60$ per $8$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$

Passaggio 12

Moltiplica la cifra quoziente appena ottenuta $(7)$ per il divisore $8$ .

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$

Passaggio 13

Sottrai $56$ da $60$ .

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$

Passaggio 14

Abbassa il numero successivo del dividendo.

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$

Passaggio 15

Dividi $40$ per $8$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$

Passaggio 16

Moltiplica la cifra quoziente appena ottenuta $(5)$ per il divisore $8$ .

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$
			$-$	$4$	$0$

Passaggio 17

Sottrai $40$ da $40$ .

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$
			$-$	$4$	$0$
					$0$

Passaggio 18

Il risultato della divisione di $\frac{25.4}{0.008}$ è $3175$ .

$3175$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$
			$-$	$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$
			$-$	$4$	$0$
					$0$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$
			$-$	$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$
			$-$	$4$	$0$
					$0$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$

		$3$	$1$	$7$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$
			$-$	$4$	$0$

		$3$	$1$	$7$	$5$
$8$	$2$	$5$	$4$	$0$	$0$
	$2$	$4$
		$1$	$4$
	$-$		$8$
			$6$	$0$
		$-$	$5$	$6$
				$4$	$0$
			$-$	$4$	$0$
					$0$