Question

4.2×3.6+58×0.36简便计算

Answer 1

3.6×(4.2+58×0.1)＝3.6×(4.2+5.8)＝3.6×10＝36

Answer 2

10 ×3.6

Answer 3

36

追答

＝4.2×3.6+5.8×3.6
＝3.6×（4.2+5.8）
＝3.6×10
＝36

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