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63×582+1134怎么用简便方法计算?
2个回答
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答:63*582+1134
=31.5*2*582+1134
=31.5*1164+1134
=31.5*30+31.5*1134+1134
=31.5*30+32.5*1134
=315*3+30*1134+2*1134+0.5*1134
=945+34020+2268+567
=37800
所以答案是37800。
=31.5*2*582+1134
=31.5*1164+1134
=31.5*30+31.5*1134+1134
=31.5*30+32.5*1134
=315*3+30*1134+2*1134+0.5*1134
=945+34020+2268+567
=37800
所以答案是37800。
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