a,
x+4+9000+600=9654
x+4+9600=9654
x+9604=9654
x=9654-9604
x=50
b,
x+86=40000+9000+100+80+6
x+86=49186
x=49186-86
x=49100
k mk nha các bn
x=50
a,
x+4+9000+600=9654
=> x+ 9604=9654
=> x=9654-9604=50
b x+86 = 49186
x= 49186-86= 49100
a,
x+4+9000+600=9654
x+4+9000 =9654 - 600
x+4+9000 =9054
x+4 =9054-9000
x+4 =54
x =54-4
x = 50
b,
x+86 =40000 + 9000 + 100 +80 + 6
x+86 =49186
x =49186 - 86
x =49100
a, x+4+9000+600=9654 x+4+9600=9654 x+9604=9654
x=9654-9604
x=50
b, x+86=40000+9000+100+80+6 x+86=49186
x=49186-86 x=49100 k mk nha các bn