计算(能简便的要简便计算)(1)7.4﹣0.15×2.8 (2)0.008+0.92×5﹣1.28(3)7.8÷(1.3×4)(4)7.2×0.9+0.1×7.2.
递等式计算(能简便的要简便)0.8×(1.25+1.25+1.25) 2.5÷[(10.75﹣4.5)×0.4] 15.37﹣7.59+5.73﹣12.411.25×48×0.25 3.7×1.2+4.3×1.2 11.72﹣7.85﹣(1.26+0.46)
能简算则简算12.45﹣9.62+0.37 0.83+0.9+0.1+0.17 6.32﹣(5.26﹣3.68)35×8+35×11+35 32×125×25 (135+415)÷5﹣16.
计算下面各题,能简算的要简算.8.27+5.84+1.73+2.16. 18.51﹣9.08﹣0.92 528÷6×5﹣432282×5+18×5 75+360÷20+15 (641﹣341)÷25×4.
计算,能简算的要简算.2.144÷3.2+4.32 9.66÷2.3÷0.3 5.5×0.25×1.41.25×2.47×8 27×10.2 4.8×3.8+6.2×4.8