x÷2+x÷0.25=9 = = = = 要有算式哦!
1个回答
x÷2+x÷0.25=9
0.5x+4x=9
4.5x=9
x=2
相关问题
88÷0.25÷4 9.9-2.07÷2.3 0.25x[(2.8+4.4)÷1.2] 12.75
x÷13=0.25÷3.9 怎么算?
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
0.9X ÷0.3-2X ÷5=4.2
x÷12 — x÷15=0.25
13÷9+15÷9+17÷9=?要简便运算哦!
(-5)的2次方X(-3÷5)÷(-9÷25)=
x÷0.25-36=x÷0.36+30
2x÷0.03+0.25-0.1x÷0.02=0.1