Question

13.2x+9x=33.3怎么解方程？

Answer 1

13.2x+9x=33.3
(13.2+9)x=33.3
22.2x=33.3
x=33.3/22.2 分子分母同时乘以10，得
x=333/222 =(111×3)/(111×2) 分子分母同时除以公约数111
x=3/2=1.5

Answer 2

解：13.2x＋9x＝33.3
22.2x＝33.3
22.2x÷22.2＝33.3÷22.2
x=1.5

Answer 3

13.2x+9x=33.3
22.2 x=33.3
x=3/2。