0.75x101-1.25x0.75x0.8简便计算

如题所述

第1个回答  2019-09-15
0.75x101-1.25x0.75x0.8
=0.75x101-1.25x0.8x0.75
=0.75x101-1x0.75
=(101-1)x0.75
=100x0.75
=75本回答被网友采纳
第2个回答  2019-09-15
0.75x101-1.25x0.75x0.8
=0.75x(101-1.25x8)
=0.75x(101-1)
=0.75x100
=75
第3个回答  2019-09-15
0.75x101-1.25x0.75x0.8
=0.75x101-0.75x(0.8x1.25)
=0.75x101-0.75x1
=0.75x(101-1)
=0.75x100
=75
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