a) 0 + x = 8
x = 8 - 0
x = 8
b) x - 30 = 20
x = 20 + 30
x = 50
a) 0+x=8
x=8-0
x=8
b) x-30=20
x=20+30
x=50
a ] 0 + x = 8
x = 8 - 0
x = 8
b ] x - 30 = 20
x = 20 + 30
x = 50
Tìm x :
a) 0 + x = 8
x = 8 + 0
x = 8
b) x - 30 = 20
x = 20 + 30
x = 50
a)0+x=8
x=8-0
x=8
b)x-30=20
x=20+30
x=50
k mik nha
0 + x = 8
x = 8 - 0
x = 8
x - 20 = 30
x = 30 + 20
x = 50
a) 0 + x = 8
x = 8 - 0
x = 8
b) x - 30 = 20
x = 20 + 30
x = 50
a)0+x=8
x=8—0
x=8
b)x—30=20
x=20+30
x=50
a) 0 +x = 8
x = 8 - 0
x = 8
b) x - 30 = 20
x = 20 + 30
x = 50
Chúc bạn học tốt!