36 x 28 + 64 x 29
= 1008 + 1856
= 2864
tìm x:
24 + (2x - 3) = 79
2x - 3 = 79 - 24
2x - 3 = 55
2x = 55 + 3
2x = 58
x = 58 : 2
x = 29
36 x 28 + 64 x 29
= 1008 + 1856
= 2864
tìm x:
24 + (2x - 3) = 79
2x - 3 = 79 - 24
2x - 3 = 55
2x = 55 + 3
2x = 58
x = 29
36 x 28 + 64 x 29
= 1008 + 1856
= 2864
24 + (2x - 3) = 79
2x - 3 = 79 - 24
2x - 3 = 55
2x = 55 + 3
2x = 58
x = 29
24+(2x-3)=79
=>2x-3 =79-24
=>2x-3 =55
=>2x =55+3
=>2x =58
=> x =58:2
=> x =29
Sửa đề:
36x28+28x64
=28x(64+36)
=28x100
=2800