76*4/75
=(75+1)*4/75
=75*4/75+4/75
=4+4/75
=4又4/75
76*4/75=(75+1)*4/75=75*4/75+4/75=4+4/75=4又75分之4
75分之4乘76减75分之4用简便方法怎么算? (4/75)*76-4/75 =(4/75)*(76-1) =(4/75)*75 =4
你好:
原式 = (75 + 1) * 75分之4
=75 * 75分之4 + 75分之4
=4 + 75分之4
=4又75分之4
76×4/75
=(75-1)×4/75
=75×4/75-4/75
=4-4/75
=296/75