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3.205×1.02的列竖式计算

题干不详

2.8085

4.05×3.2 = 12.96,步骤如下;

采纳

3.48 2.76 +3.05 ———— 9.29

如图

5.32 x 2.05 -------- 2650 0000 1064 ------------- 109050

80.5×2.3=185.15△0.94×2.05=1.927☆4.52×0.36≈1.63

(1)73.05-3.96=69.09; 73.05?3.9669.09,验算: 69.09 +3.96 73.05; (2)3.12÷15=0.208, 0.208153.120 3 0 120 120 0,验算: 0.208 ×151 0402 08 3.120.

8.84+1.16=10; 8.84 +1.16 10.00 ;2.05×2.4=4.92 2.05 ×2.4 820 410 4.920 ;8.1-3.56=4.54 8.1 -3.56 4.54 ;8.62÷0.43≈20.05 20.0460.43 8.62 86 200 172 280 258 22 .

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