140 - 100 : x = 120
100 : x = 140 - 120
100 : x = 20
x = 100 : 20
x = 5
\(140-100:x=120\)
\(100:x=140-120\)
\(100:x=20\)
\(x=100:20\)
\(x=5\)
140 - 100 : x = 120
100 : x = 140 - 120
100 : x = 20
x = 100 : 20
x = 5
\(\text{Tìm }x\text{ : }\)
\(140-100\text{ : }x=120\)
\(100\text{ : }x=140-120\)
\(100\text{ : }x=20\)
\(x=100\text{ : }20\)
\(x=5\)
140-100 : x = 120
100:x=140-120
100:x=20
x=100:20
x=5
Tìm x
140 - 100 : x = 120
100 : x = 140 - 120
100 : x = 20
x = 100 : 20
x = 5
Chúc bạn học tốt! Thân!