来自何晓蕊的问题
4.5+x=6.2x-3.8=6.64x=15x+7=422(x-5)=5.83.6x-x=5.8
4.5+x=6.2x-3.8=6.64x=15x+7=42
2(x-5)=5.83.6x-x=5.8
1回答
2020-06-05 15:54
4.5+x=6.2x-3.8=6.64x=15x+7=422(x-5)=5.83.6x-x=5.8
4.5+x=6.2x-3.8=6.64x=15x+7=42
2(x-5)=5.83.6x-x=5.8
(1)x=6.2-4.5=1.7
(2)x=6.6+3.8=10.4
(3)x=1/4=0.25
(4)x=(42-7)÷5=7
(5)x=5.8÷2+5=7.9
(6)x=5.8÷2.9=2