2.能简便的用简便方法计算
2.05÷0.82+33.6 | 3.47+4.9+6.53+5.1 | 56×1.25 |
0.8×0.25×0.4×12.5 | 6.1×3.6+3.6×3.9 | 4.8×0.25 |
18.脱式计算.(能简算的要简算)
0 163942 163950 163956 163960 163966 163968 163972 163978 163980 163986 163992 163996 163998 164002 164008 164010 164016 164020 164022 164026 164028 164032 164034 164036 164037 164038 164040 164041 164042 164044 164046 164050 164052 164056 164058 164062 164068 164070 164076 164080 164082 164086 164092 164098 164100 164106 164110 164112 164118 164122 164128 164136 199269
2.4+7.6×8.05 | 6.03×4.9+5.1×6.03 | 0.7÷0.8÷0.125 |
2.5×40.4 | 2.5×0.98 | 25.4×9.6-25.4+1.4×25.4 |