Question

[Đặng Minh Hoà]

Tìm a nguyên sao cho:
a) 7/8 < a/2 < 40
b) 19/40 < a/4 < 65/2
c) 32/7 < a/7 < 70

Answer 1

[Nguyễn Lê Phước Thịnh]