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月 日( )
● 分配法則 [3D0-00]
| (1) | | | | | | | | | | | | | | | | | | | | | | | 9 | × | { | 6 | + | ( | −8 | ) | } | = | 9 | × | | + | 9 | × | ( | −8 | ) | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | | ( | −7 | + | 10 | ) | × | ( | −3 | ) | = | −7 | × | ( | −3 | ) | + | | × | ( | −3 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | −10 | × | ( | −4 | + | 7 | ) | = | | × | ( | −4 | ) | + | | × | 7 | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | | | | { | 10 | + | ( | −9 | ) | } | × | ( | −2 | ) | = | 10 | × | ( | −2 | ) | + | | × | ( | −2 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (8) | | | | | | | | | | | | | | | | | | | | | | | | | ( | 1 | + | 5 | ) | × | ( | −8 | ) | = | 1 | × | ( | −8 | ) | + | | × | ( | −8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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