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Ta có: x + 3,5 = 4,72 + 2,28
x + 3,5 = 7
x = 7 - 3,5
x = 3,5
Ta có: x - 7,2 = 3,9 + 2,5
x - 7,2 = 6,4
x= 6,4 + 7,2
x = 13,6
a) x + 3,5 = 7
x = 7 - 3,5
x = 3,5
b) x - 7,2 = 6,4
x = 6,4 + 7,2
x = 13,6
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a) x + 3,5 = 4,72 + 2,28
x + 3,5 = 7
x = 7 - 3,5
x = 3,5.
Vậy x = 3,5.
b) x - 7,2 = 3,9 + 2,5
x - 7,2 = 6, 4
x = 6, 4 + 7, 2
x = 13, 6.
Vậy x = 13, 6.
x + 3,5 = 7 ; x - 7,2 = 6,4
x = 7 - 3,5 x = 6,4 + 7,2
x = 3,5 x = 13,6
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a) x + 3,5 = 7
x = 7 - 3,5
x = 3,5
b) x - 7,2 = 6,4
x = 6,4 + 7,2
x = 13,6
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a) x + 3,5 = 4,72 + 2,28
x + 3,5 = 7
x = 7 - 3,5
x = 3,5
b) 5,6 : x = 4
x = 5,6 : 4
x = 1,4
ủng hộ nha fan khởi my
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x + 3,5 = 4,72 + 2,28 .
x + 3,5 = 7 .
x = 7 - 3,5 .
x = 3,5 .
Vậy x = 3,5 .
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x + 3,5 = 4,72 + 2,28
x + 3,5 = 7
x = 7 - 3,5
x = 3,5