996×25 (125×99+125)×16 36×68-68+68×25
36*25*7 68*34+68*67-68 要巧算
125乘25乘68用简便方法计算
240*68*125/(48*17*25)如何巧算
36*17/18巧算36*17/18递等式巧算240*68*125/(48*17*25)递等式巧算
简便计算 8/17×(125×68)
简便计算:125÷(50÷8),68×0.99
68*(-99又16/17)
2.4,3/2,20/27,7/16,36/125,( )A.39/144 B.11/54 C.68/196 D.7
4, 3/2, 20/27, 7/16, 36/125,()A.39/144 B11/54 C.68/196 D.7答案
4,3/2,20/27,7/16,36/125,( A.39/144 B.11/54 C.68/196 D.7
2,3,6,11,20,( ),68,125
68×25怎么简算