Preparazione all'algebra Esempi

$0.45 \div 0.1215$

Passaggio 1

Imposta il problema della divisione nel formato in colonna.

$0$

$1$

$2$

$1$

$5$

$0$

$4$

$5$

Passaggio 2

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

$1$

$2$

$1$

$5$

$4$

$5$

$0$

Passaggio 3

Dividi $4500$ per $1215$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 4

Moltiplica la cifra quoziente appena ottenuta $(3)$ per il divisore $1215$ .

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

Passaggio 5

Sottrai $3645$ da $4500$ .

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

Passaggio 6

Aggiungi $0$ alla fine del dividendo.

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

Passaggio 7

Abbassa il numero successivo del dividendo.

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

Passaggio 8

Dividi $8550$ per $1215$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 9

Moltiplica la cifra quoziente appena ottenuta $(7)$ per il divisore $1215$ .

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

Passaggio 10

Sottrai $8505$ da $8550$ .

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

Passaggio 11

Aggiungi $0$ alla fine del dividendo.

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

Passaggio 12

Abbassa il numero successivo del dividendo.

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

Passaggio 13

Dividi $450$ per $1215$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 14

Moltiplica la cifra quoziente appena ottenuta $(0)$ per il divisore $1215$ .

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

Passaggio 15

Sottrai $0$ da $450$ .

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

Passaggio 16

Aggiungi $0$ alla fine del dividendo.

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

Passaggio 17

Abbassa il numero successivo del dividendo.

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

Passaggio 18

Dividi $4500$ per $1215$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 19

Moltiplica la cifra quoziente appena ottenuta $(3)$ per il divisore $1215$ .

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

Passaggio 20

Sottrai $3645$ da $4500$ .

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

Passaggio 21

Il risultato della divisione di $0.45 \div 0.1215$ è $3.703 \dots$ .

$3.703 \dots$

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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