Preparazione all'algebra Esempi

$29 \div 4.85$

Passaggio 1

Imposta il problema della divisione nel formato in colonna.

$4$

$8$

$5$

$2$

$9$

Passaggio 2

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

$4$

$8$

$5$

$2$

$9$

$0$

Passaggio 3

Dividi $2900$ per $485$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

						$5$
$4$	$8$	$5$	$2$	$9$	$0$	$0$

Passaggio 4

Moltiplica la cifra quoziente appena ottenuta $(5)$ per il divisore $485$ .

						$5$
$4$	$8$	$5$	$2$	$9$	$0$	$0$
			$2$	$4$	$2$	$5$

Passaggio 5

Sottrai $2425$ da $2900$ .

						$5$
$4$	$8$	$5$	$2$	$9$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$

Passaggio 6

Aggiungi $0$ alla fine del dividendo.

						$5$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$

Passaggio 7

Abbassa il numero successivo del dividendo.

						$5$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$

Passaggio 8

Dividi $4750$ per $485$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$

Passaggio 9

Moltiplica la cifra quoziente appena ottenuta $(9)$ per il divisore $485$ .

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$

Passaggio 10

Sottrai $4365$ da $4750$ .

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$

Passaggio 11

Aggiungi $0$ alla fine del dividendo.

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$

Passaggio 12

Abbassa il numero successivo del dividendo.

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$

Passaggio 13

Dividi $3850$ per $485$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$

Passaggio 14

Moltiplica la cifra quoziente appena ottenuta $(7)$ per il divisore $485$ .

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$

Passaggio 15

Sottrai $3395$ da $3850$ .

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$

Passaggio 16

Aggiungi $0$ alla fine del dividendo.

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$

Passaggio 17

Abbassa il numero successivo del dividendo.

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$

Passaggio 18

Dividi $4550$ per $485$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

						$5$	.	$9$	$7$	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$

Passaggio 19

Moltiplica la cifra quoziente appena ottenuta $(9)$ per il divisore $485$ .

						$5$	.	$9$	$7$	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$
						$-$	$4$	$3$	$6$	$5$

Passaggio 20

Sottrai $4365$ da $4550$ .

						$5$	.	$9$	$7$	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$
						$-$	$4$	$3$	$6$	$5$
								$1$	$8$	$5$

Passaggio 21

Il risultato della divisione di $29 \div 4.85$ è $5.979 \dots$ .

$5.979 \dots$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$

						$5$	.	$9$	$7$	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$

						$5$	.	$9$	$7$	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$

						$5$	.	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$

						$5$	.	$9$	$7$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$

						$5$	.	$9$	$7$	$9$
$4$	$8$	$5$	$2$	$9$	$0$	$0$	.	$0$	$0$	$0$
			$2$	$4$	$2$	$5$
				$4$	$7$	$5$	$0$
				$-$	$4$	$3$	$6$	$5$
						$3$	$8$	$5$	$0$
					$-$	$3$	$3$	$9$	$5$
							$4$	$5$	$5$	$0$