29.15-8.92+20.85 12.63×5.2-2.63×5.2 32×0.125 用简便方法计算

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29.15-8.92+20.85 12.63×5.2-2.63×5.2 32×0.125 用简便方法计算
29.15-8.92+20.85 12.63×5.2-2.63×5.2 32×0.125 用简便方法计算

29.15-8.92+20.85 12.63×5.2-2.63×5.2 32×0.125 用简便方法计算
29.15-8.92+20.85
=29.15+20.85-8.92
=50-8.92
=41.08
12.63×5.2-2.63×5.2
=(12.63-2.63)×5.2
=10×5.2
=52
32×0.125
=4×8×0.125
=4×1
=4

29.15-8.92+20.85 12.63×5.2-2.63×5.2 32×0.125 用简便方法计算 8.92-x=4. 8.02×99 8.92 怎么简便? 12. 12. 12. 12. 12. 12. 12. 简便算法8.92除2.5除0.4 (4.69乘8.92+53.1乘0.892)除以8.92的简便运算已知甲乙两数和210.85,差20.85求甲乙两数不用方程简便计算4.69*8.92+89.2*0.527+892*0.4 甲乙俩个数的和是210.85,差是20.85.甲乙俩数各是多少? 2.4*12. 轮胎12. 7.8.12.