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用竖式计算下列各题
31.5×24.5 0.8×0.56 4.23×0.028 0.63×1.05
84×3.05 4.6×25 0.41×56 1.05×305
0.076×24 8.63×0.42 0.38×2.6 214×0.37
1.06×30 36×0.56 27×0.43 0.86×1.2
1.2×1.4 3.68×0.47 21×0.58 0.98×3.6
5.6×0.125 32×0.25 73×1.25× 1.7×25
7.5×5.3 3.7×0.25 72×9.9 3.76×6.8
3.69×8.45 27.2×6.87 32.98×6.7 2.21×5.3
0.39×0.26 32×0.2 6.496×3.2 12.65×5.5
8.61×0.42 126×45 2.7×7.5 25.6×0.032
3.6×2 5 0.156×15 85.44×16 15×0.06
67.5×15 289.9×18 101.7×9 243.2×64
16.8×28 15.6×24 0.138×15 1.35×27
0.416×32 3.64×52 91.2×3.8 0.756×0.18
51.3×0.27 26×0.13 210×1.4 2.688×0.56
下面各题,商保留一位小数。
14.36×2.7 8.33×6.2 1.7×0.03
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