第1个回答 2020-11-25
原式=0.32*(0.25+0.125)
=0.01*4*8*(0.25+0.125)
=0.01*4*0.25*8+0.01*4*8*0.125
=0.01*1*8+0.01*4*1
=0.08+0.04
=0.12
第2个回答 2020-11-25
原式=0.08×(4×0.25+4×0.125)=0.08×(1+0.5)=0.08×1.5=0.12本回答被网友采纳
第3个回答 2020-11-25
0.32×(0.25+0.125)
=0.4×0.8×(0.25+0.125)
=0.4×0.8×0.25+0.4×0.8×0.125
=0.08+0.04
=0.12
第4个回答 2020-11-25
0.32×(1/4+1/8)
=0.32×3/8
=0.32/8×3
=0.4×3
=0.12