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