1.25乘0.8除1.25乘0.81.25x0.8÷1.25x0.8=0.8x0.8=0.64谢谢,请采纳
1.25乘0.8除1.25乘0.8=(1.25÷1.25)x(0.8x0.8)=1x0.64=0.64
1.25×0.8÷1.25×0.8=1.25÷1.25×0.8×0.8=1×0.8×0.8=0.64