Preparazione all'algebra Esempi

$805 \div 25.9$

Passaggio 1

Imposta il problema della divisione nel formato in colonna.

$2$

$5$

$9$

$8$

$0$

$5$

Passaggio 2

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

$2$

$5$

$9$

$8$

$0$

$5$

$0$

Passaggio 3

Dividi $805$ per $259$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

					$3$
$2$	$5$	$9$	$8$	$0$	$5$	$0$

Passaggio 4

Moltiplica la cifra quoziente appena ottenuta $(3)$ per il divisore $259$ .

					$3$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$

Passaggio 5

Sottrai $777$ da $805$ .

					$3$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$

Passaggio 6

Abbassa il numero successivo del dividendo.

					$3$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$

Passaggio 7

Dividi $280$ per $259$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$

Passaggio 8

Moltiplica la cifra quoziente appena ottenuta $(1)$ per il divisore $259$ .

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$
			$-$	$2$	$5$	$9$

Passaggio 9

Sottrai $259$ da $280$ .

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$
			$-$	$2$	$5$	$9$
					$2$	$1$

Passaggio 10

Aggiungi $0$ alla fine del dividendo.

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

Passaggio 11

Abbassa il numero successivo del dividendo.

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

Passaggio 12

Dividi $210$ per $259$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 13

Moltiplica la cifra quoziente appena ottenuta $(0)$ per il divisore $259$ .

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

Passaggio 14

Sottrai $0$ da $210$ .

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

Passaggio 15

Aggiungi $0$ alla fine del dividendo.

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

Passaggio 16

Abbassa il numero successivo del dividendo.

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

Passaggio 17

Dividi $2100$ per $259$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 18

Moltiplica la cifra quoziente appena ottenuta $(8)$ per il divisore $259$ .

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

Passaggio 19

Sottrai $2072$ da $2100$ .

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

Passaggio 20

Aggiungi $0$ alla fine del dividendo.

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

Passaggio 21

Abbassa il numero successivo del dividendo.

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

Passaggio 22

Dividi $280$ per $259$ . Posiziona questa cifra nel quoziente sopra il simbolo di divisione.

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

Passaggio 23

Moltiplica la cifra quoziente appena ottenuta $(1)$ per il divisore $259$ .

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

Passaggio 24

Sottrai $259$ da $280$ .

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

Passaggio 25

Il risultato della divisione di $805 \div 25.9$ è $31.081 \dots$ .

$31.081 \dots$

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$
			$-$	$2$	$5$	$9$

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$
			$-$	$2$	$5$	$9$
					$2$	$1$

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

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

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

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

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

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

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

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

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$
			$-$	$2$	$5$	$9$

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$
			$-$	$2$	$5$	$9$
					$2$	$1$

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

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

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

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

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

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

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

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

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$
			$-$	$2$	$5$	$9$

					$3$	$1$
$2$	$5$	$9$	$8$	$0$	$5$	$0$
		$-$	$7$	$7$	$7$
				$2$	$8$	$0$
			$-$	$2$	$5$	$9$
					$2$	$1$

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

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

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

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

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

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

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

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