优质解答
x+3.2=4.6
x=4.6-3.2
x=
1.6x=6.4
x=6.4\1.6
x=
x-1.8=4
x=4+1.8
x=
x\7=0.3
x=0.3*7
x=
x-2=15
x=15=2
x=
x\3=2.1
x=2.1*3
x=
x+0.3=1.8
x=1.8-0.3
x=
x-1.5=4
x=4+1.5
x=
5x=1.5
x=1.5\5
x=
x+3.2=4.6
x=4.6-3.2
x=
1.6x=6.4
x=6.4\1.6
x=
x-1.8=4
x=4+1.8
x=
x\7=0.3
x=0.3*7
x=
x-2=15
x=15=2
x=
x\3=2.1
x=2.1*3
x=
x+0.3=1.8
x=1.8-0.3
x=
x-1.5=4
x=4+1.5
x=
5x=1.5
x=1.5\5
x=