基础数学示例

$1100000 - 200000$

解题步骤 1

利用长减法减去。

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解题步骤 1.1

以长减法格式建立减法问题。


	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$

解题步骤 1.2

从 $0$ 中减去 $0$ 。


	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
							$0$

解题步骤 1.3

从 $0$ 中减去 $0$ 。


	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
						$0$	$0$

解题步骤 1.4

从 $0$ 中减去 $0$ 。


	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
					$0$	$0$	$0$

解题步骤 1.5

从 $0$ 中减去 $0$ 。


	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
				$0$	$0$	$0$	$0$

解题步骤 1.6

从 $0$ 中减去 $0$ 。


	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
			$0$	$0$	$0$	$0$	$0$

解题步骤 1.7

从下一列数向左借 $10$ 位。将所借的 $10$ 加到 $1$ 。减去从 $1$ 借来的数。

	$0$	$11$
	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
			$0$	$0$	$0$	$0$	$0$

解题步骤 1.8

从 $11$ 中减去 $2$ 。

	$0$	$11$
	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
		$9$	$0$	$0$	$0$	$0$	$0$

解题步骤 1.9

从 $0$ 中减去 $0$ 。

	$0$	$11$
	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
	$0$	$9$	$0$	$0$	$0$	$0$	$0$

	$0$	$11$
	$1$	$1$	$0$	$0$	$0$	$0$	$0$
$-$		$2$	$0$	$0$	$0$	$0$	$0$
	$0$	$9$	$0$	$0$	$0$	$0$	$0$

解题步骤 2

$1100000 - 200000$ 的结果为 $900000$ 。

$900000$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$