Tìm x : a, 72-x=19+27 b, 62-x=80-53 C, 91-x=39
2 câu trả lời
a, 72-x=19+27
72-x=46
x=72-46
x= 26
b, 62-x=80-53
62-x= 27
x=62-27
x=35
c, 91-x=39
x=91-39
x=52
Tham khảo bạn nhé!
a, 72-x=19+27
72-x=46
x=72-46
x= 26
b, 62-x=80-53
62-x= 27
x=62-27
x=35
c, 91-x=39
x=91-39
x=52
Tham khảo bạn nhé!
