Mathematics
Junior High
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写真の問題の分配法則の途中式と答えを教えてください!

ーー ここ こと ⑰) 10(0.2ヶ一.5) 名 (② (400z一300)=100 (3) 9 Ia (⑤) 7>十2(4一5z) (6) 6(ヶ一7)一3(42十5) 1 1 8) ー3 (9一9一子(49十8)

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