[(10.75-4又12分之11)×...怎样简算?
[(10.75-4又12分之11)×2又11分之7]÷[(1.125+12分之1)÷(2.25÷10又11分之10)]怎样简算? 请尽量解释得清楚点,让小学生能听懂
=[(43/4-59/12)×29/11]÷[(9/8+1/12)÷(9/4÷120/11)] =[(129/12-59/12)×29/11]÷[29/24÷33/160] =35/6×12/11÷(29/24×160/33) =35/6×12/11÷[29×20/(9×11)] =35/6×12/11×(9×11)/(29×20) =63/58
问:递等式计算,能简算的要简算。5.6除以14可以简算吗,怎么做
答:解:5.6÷14 =56÷14÷10 =4÷10 =0.4 =2/5详情>>
答:详情>>