Question

7.52×3.5-0.752×5怎么简便计算？

Answer 1

7.52×3.5-0.752×5
=7.52×3.5-7.52×0.5
=7.52×3
=22.56
0.752向后移动一位小数，另一个数字向前移动一位小数，然后提取公因数

Answer 2

7.52x3.5-0.752x5
=7.52x3.5-(0.752x10)x0.5
=7.52x3.5-7.52x0.5
=7.52.x(3.5-0.5)
=7.52x3
=22.56

Answer 3

7.52×（0.752×10）-3.5×5

Answer 4

9.5×0.86-7.6×0.95

Answer 5

7.52×3.5-0.752×5
=7.52×3.5-7.52×0.5
=7.52×3
=22.56