Cac ban giup minh v
B) -8+5.(-9)
C) 40-(-7).2
D) |-15+21|-|4-11|
Bai2 tinh tong cac so nguyen x, biet:
A) -3<×<2
B) -789<×<789
Bai 3 Tim X thuoc Z. Biet
A) x+9=2-17
B) ×-17=(-11).(-5)
C) |×-5|=(-4).2
Bai 4Tim cac so nguyen sao cho :
A) -7 la boi cua x+8
B) x-2 la uoc cua 3x-13
Giai het cho m nha
Cam on cac ban 😁😁😁
minh se vote 5 sao cho cac ban nao tra loi cau hoi dung
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Sinh Học lớp 12
