用简便计算0.032×2・5×1・25怎么算
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用简便计算0.032×2・5×1・25怎么算
用简便计算0.032×2・5×1・25怎么算
用简便计算0.032×2・5×1・25怎么算
0.032×2・5×1・25
=0.1x0.4x0.8×2・5×1・25
=0.1x0.4×2・5×1・25x0.8
=0.1x1x1
=0.1
收起
0.032x2.5x1.25=0.008x4x2.5x1.25=(4x2.5)x(0.008x1.25)=10x0.01=0.1