脱式计算(分能简算的要简算.)
70.8﹣1.25﹣1.75 5.81+8.3+4.19+11.7 8.7×9.9
0.25×17.3×0.4 0.15×9+0.15 3.54×0.29﹣0.29×2.54.
脱式计算,能简算的要简算.
1.69÷1.3+2.5×0.4 1.25×32×2.5 96.5×105﹣5×96.5 18.75﹣0.43﹣4.57.
递等式计算.(能简算的要简算)
0.125×32×2.5;0.8×6.3﹣0.8×3.80.64÷0.4÷0.8.
(25+2.5)×0.41.25×7.23.75×2.9+2.9×6.25
3.25+110.4÷(3.2×2.3)2.5×54.8﹣2.5×14.86.3÷(13﹣3.15÷0.3)
递等式计算(能简便的要简便计算)
9.6÷0.4×0.258.68﹣8.68÷0.56×0.529.7÷(5.85÷0.65)
1.25×3.2×0.814.5×1024.7×4.7+4.7+4.7×4.3.
计算下面各题,能简便运算的要简便运算.
①30﹣20.6÷2
②1.25×2.33×8
③0.35×201.