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用简便方法计算10.1乘以7.9等于

用简便方法计算10.1乘以7.9等于 解答 10.1×7.9 =(10+0.1)×7.9 =79+0.79 =79.79

用简便运算怎么计算10.1x7.9 10.1*7.9 =10*7.9+0.1*7.9 =79+0.79 =79.79

1乘到10等于多少.有简便方法吗 1*2*3*....*8*9*10 =2*5*3*4*6*7*8*9*10 =10*10*3*4*6*7*8*9 =100*3*3*3*4*6*7*8 =2700*2*2*2*3*2*2*2*7 =2700*64*21

7.9乘以10.1 =7.9x(10+0.1) =7.9x10+7.9x0.1 =79+0.79 =79.79 行家正解,不明白可以追问!祝您学习进步 满意请点击下面的【选为满意回答】按钮,O(∩_∩)O谢谢

791×七八九十一乘以9=多少用简便计算 题目不清楚 如果是 791+791×9 =791×(1+9) =791×10 =7910

你学负数了吗?

9× 7 8 ,=(8+1)× 7 8 ,=8× 7 8 +1× 7 8 ,=7+ 7 8 ,=7 7 8 .故选:B.

能不能用简便方法 7/10×9/11+1/11×3/10 =63/10×1/11+1/11×3/10 =(63/10+3/10)×1/11 =33/5×1/11 =3/5

red

7分之3×11分之9+11分之4×7分之9 =7分之9×11分之3+11分之4×7分之9 =7分之9×(11分之3+11分之4) =7分之9×11分之7 =11分之9

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