一、用竖式计算下列各题(除不尽的保留三位小数) 31.5×24.5 0.8×0.56 4.23×0.028 0.63×1.05 34.3÷0.23 36 3.45×84 4.6 0.076×24 2.3 0.38×2.6 1.24 ×0.56 0.32×25 0.41÷5.5 8.63÷1.5 ÷0.2 6.728×56 1.05×0.42 8.633.2×1.8 ÷3.2 ×305 ÷0.42 0.32÷0.9 214×0.37 2.6×25 1.06×30 0.156×15 = 二、脱式计算(能简算的要简算) 0.125×0.25×8×4 7.4×0.28+0.28×2.6 (4-0.4)×2.5 2.5 ×( 0.77 × 0.4) 6.1 (4+0.4)×2.5 8×7×0.125 3.9×9.9+0.39 4.5×1.2+2.3 4.8×0.9+0.48 ×3.6+3.9×3.6 10-2.3×1.2 0.4+1.25)×0.8 ( 本文来源:https://www.wddqw.com/doc/63f11144f142336c1eb91a37f111f18582d00c41.html