Question

x减六乘五等于42列方程

Answer 1

Answer 2

x-30=42
x=72

追问

谢谢

Answer 3

x-6*5=42

Answer 4

x-6×5=42
x-30=42
y=42+30=72

Answer 5

x-6*5=42
x=72

追答

(x-6)*5=42
5x-30=42
5x=72
x=72/5