Question

X÷1.4二0.5。解方程？

Answer 1

X÷1.4二0.5
x=0.5*1.4=0.7

Answer 2

解：解方程， 此方程的解为x = 7/10，【即x = 0.7】

x ÷ 1.4 = 0.5
x ÷ （1×10+4）/10 = 5/10
x ÷ 14/10 = 5/10
x = 5/10 × 14/10
x = 1/2 × 7/5
x = 7/10
∴x = 0.7
答：此方程的解为x = 7/10，【即x = 0.7】