4x+27=63 4x+9X3=63 3x-8=19 3x-2X4=19 6x+4x5=68 12x-7X2=82 6x+1.5X4=23.4

题目

4x+27=63 4x+9X3=63 3x-8=19 3x-2X4=19 6x+4x5=68 12x-7X2=82 6x+1.5X4=23.4
4x+27=63 4x+9X3=63 3x-8=19 3x-2X4=19 6x+4x5=68 12x-7X2=82 6x+1.5X4=23.4 0.4x-0.5X2=1.4 8(x+1.5)=14.4 2(x+3.5)=12.6 3(x-1.2)=7.2 9(x-3.8)=108 3x-4X6=27 7(x+18)=126 5x+0.6X0.5=18.5
yao you guo cheng

答案

4x+27=63
4x=63-27
4x=36
x=9
4x+9X3=63
4x+27=63
4x=63-27
4x=36
x=9
3x-8=19
3x=19+8
3x=27
x=9
3x-2X4=19
3x-8=19
3x=19+8
3x=27
x=9
6x+4x5=68
6x+20=68
6x=68-20
6x=48
x=8
12x-7X2=82
12x-14=82
12x=82+14
12x=96
x=8
6x+1.5X4=23.4
6x+6=23.4
6x=23.4-6
6x=17.4
x=2.9
0.4x-0.5X2=1.4
0.4x-1=1.4
0.4x=1.4+1
0.4x=2.4
x=6
8(x+1.5)=14.4
8x+12=14.4
8x=14.4-12
8x=2.4
x=0.3
2(x+3.5)=12.6
2x+7=12.6
2x=12.6-7
2x=5.6
x=2.8
3(x-1.2)=7.2
3x-3.6=7.2
3x=7.2+3.6
3x=10.8
x=3.6
9(x-3.8)=108
x-3.8=12
x=12+3.8
x=15.8
3x-4X6=27
3x-24=27
3x=27+24
3x=51
x=17
7(x+18)=126
x+18=18
x=18-18
x=0
5x+0.6X0.5=18.5
5x+0.3=18.5
5x=18.5-0.3
5x=18.2
x=3.64