Tìm x, biết: x : 6 = 13 - 6
Câu 5:
Tìm x biết:
a) x : 6 = 13 - 6
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b) x × 7 = 16 + 19
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c) 27 – x : 7 = 23
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d) 31 + x × 7 = 52
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Tìm x biết:
a) x : 6 = 13 - 6
............................................................................................................
............................................................................................................
b) x × 7 = 16 + 19
............................................................................................................
............................................................................................................
c) 27 – x : 7 = 23
............................................................................................................
............................................................................................................
d) 31 + x × 7 = 52
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