Chia 155 cho a được thương là b và dư 12 Biết b lớn hơn 1. Tìm a; b

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Đáp án:

a = 11, b = 13

Giải thích các bước giải:

Giải thích các bước giải: Ta có:a.b+12=155

a.b =143

Ta có 143=13.11

Vậy a=11 hoặc 13

b=13 hoặc 11

Câu hỏi trong lớp Xem thêm

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