2.26×37590×2904500÷80.
能简便的要简便计算2.9×1.4+2×0.16 200﹣(3.05+7.1)×18 2.5×32×1.25(2.44﹣1.8)÷0.4×20 48×10.1 3.2×19+3.2.
混合计算(能简便的用简便算法)20.5÷0.82+33.6 1.5×105 1.25×0.25×61×16.
能简便的要简便20.4﹣0.8×0.4﹣0.68 (227÷25﹣4.68)×0.56.4×9.9+0.64 5.37×2.5+7.5×5.37.
下面各题能简便的要简便.15﹣8.13﹣1.87 5.14+3.225﹣6.302 3.95+5.36﹣1.9513.67﹣(5.45+3.67) 4.26+5.48﹣1.26+4.52 14.67+25.91+15.33+4.09.
递等式计算:(能简算的用简便方法计算)(1)(5.81﹣2.09)×3.5(2)2.5×8×0.5+40(3)3.865+1.92+3.135+2.08(4)5.8×6.1+3.2×6.1+6.1(5)16÷0.25÷0.4(6)(750﹣366)÷48×[25÷(210﹣209)].