问题 解答题 12÷75%=1÷12-12÷1=29÷13=5÷57=0.125×16=0.25÷0.01=3.9×0.25×4=13-15=58×2425=0.42-0.32= 答案 12÷75%=23,1÷12-12÷1=112,29÷13=23,5÷57=7,0.125×16=2,0.25÷0.01=25,3.9×0.25×4=3.9,13-15=215,58×2425=35,0.42-0.32=0.07.