六点4×0点25+3点6×0点七五的简便运算怎么算?
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6.4×0.25+3.6×0.75
=6.4×0.25+3.6×(0.25+0.5)
=6.4×0.25+3.6×0.25+3.6×0.5
=(6.4+3.6)×0.25+1.8
=10×0.25+1.8
=2.5+1.8
=4.3
=6.4×0.25+3.6×(0.25+0.5)
=6.4×0.25+3.6×0.25+3.6×0.5
=(6.4+3.6)×0.25+1.8
=10×0.25+1.8
=2.5+1.8
=4.3
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6.4×0.25+3.6×0.75
=6.4×1/4+3.6×3/4
=1.6+2.7
=4.3
=6.4×1/4+3.6×3/4
=1.6+2.7
=4.3
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有关于6.4×0.25+3.6×0.75这个算式使用简便的方法来解答,过程如下:
6.4×0.25+3.6×0.75
=(6.4+3.6)×(0.25+0.75)
=10×1
=10
6.4×0.25+3.6×0.75
=(6.4+3.6)×(0.25+0.75)
=10×1
=10
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6.4X0.25+3.6X0.75
=6.4X1/4+3.6X3/4
=1.6+2.7
=4.3
=6.4X1/4+3.6X3/4
=1.6+2.7
=4.3
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6.4×0.25+3.6×0.75
=6.4×1/4+3.6×3/4
=1.6+2.7
=4.3
=6.4×1/4+3.6×3/4
=1.6+2.7
=4.3
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