36÷1.25÷0.8=36÷(1.25×0.8)=36×1=36 88×0.125=(80+8)×0.125=80×0.125+8×0.125=10+1=11 2.5×3.1×4=(2.5×4)×3.1=10×3.1=31
简便运算:36÷1.25÷0.8
36÷1.25÷0.8=36÷(1.25×0.8)=36×1=36 88×0.125=(80+8)×0.125=80×0.125+8×0.125=10+1=11 2.5×3.1×4=(2.5×4)×3.1=10×3.1=31