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3.56乘38.5加0.7乘356加9.15乘35.6的简便计算?
1个回答
展开全部
3.56×38.5-0.95×35.6+0.7×356
=3.56×38.5-9.5×3.56+70×3.56
=3.56×(38.5-9.5+70)
=3.56×(100-1)
=3.56×100-3.56
=356-3.56
=352.44
打字不易,
=3.56×38.5-9.5×3.56+70×3.56
=3.56×(38.5-9.5+70)
=3.56×(100-1)
=3.56×100-3.56
=356-3.56
=352.44
打字不易,
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