15.6 ×13.1-15.6-15.6×2.1的简便运算
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15.6 ×13.1-15.6-15.6×2.1的简便运算
15.6 ×13.1-15.6-15.6×2.1的简便运算
15.6 ×13.1-15.6-15.6×2.1的简便运算
15.6 ×(13.1-1-2.1)=15.6×10=156
15.6 ×13.1-15.6-15.6×2.1的简便运算
15.6乘13.1减15.6减15.6乘2.1,简便计算
(15.6-8.4-x)÷3等于1.2
请解答下列递等式计算,47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.2566.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×83.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.115.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.9 4
15.6×23.1+15.6-15.6×12.1简便运算
15.6×23.1+15.6-15.6×12.1简便运算
156+6.2+15.6-6.2,怎样用简便运算
用简便方法计算: 15.6×13.1+15.6×6.9 = =用简便方法计算: 15.6×13.1+15.6×6.9 = = =
15.6×101-15.6简便方法
递等式 12.5*(43*15.6-15.6*35)
15.6-(15.6-9分之2)
15.6除以24竖式咋写
15.6➗75列竖式
救救我,一道超难奥数题!15.6*78-15.6*14-64*5.
根据小数的性质,15.593≈15.6=15.6对错
15.6除以2.5简便计算
15.6除以24怎么算
15.6-3.8-1.2= 能简算吗