1÷0.9=(X-1.2)÷3.全面的!)
3个回答
两边乘3.42
X-1.2=3.42/0.9
X-1.2=3.8
X=3.8+1.2
X=5
相关问题
9 ÷ 3(2+1) 9 ÷ 3(2+1) = 9 ÷(3x2+3x1)= 9 ÷ (6+3) = 9÷9 = 1
(2/2/3-30/5/9)÷[(2/1/3-1/2/9)÷4-0.75]÷0.03125=
2x÷(x^2-9) + 1÷(3-x) + (x+2)÷(x+3)=?
1÷(1÷2)÷(2÷3)÷(3÷4)÷.÷(8÷9)÷(9÷10)=?
88÷0.25÷4 9.9-2.07÷2.3 0.25x[(2.8+4.4)÷1.2] 12.75
0.3÷0.5=x﹢1÷2x﹣1
0.3÷0.5=(x+1)÷(2x-1)
数学大师进:(里面问)(1)X-x÷4+1÷5x=95 (2)1.25;0.25=x;3.2 (3)4÷9+0.5=(1
(0.8x+0.9)÷0.5=(x+5)÷2+(0.3x-0.2)÷0.3