Sorry nhung laptop mik ko viet Tieng Viet co dau duoc, no dang bi loi
1."Tim so chia va so bi chia nho nhat de co thuong so la 8, so la 45"
2."So sanh a va b ma ko tinh cu the gia tri cua chung:
a=02 . 2002; b = 2000 . 2004"
3."(x+1) + (x+2) +... + (x+100) = 9050"
Khong nhat thiet moi nguoi phai tra loi du 3 cau, ai biet cau nao thi tra loi gium mk cau do thoi
Can gap a!
3. Ta có:
(x+1) + (x+2) +... + (x+100) = 9050
(x+x+x+ ...+x+x) +..+ (1+2+3+..+100)= 9050
100.x +5050 = 9050
100.x =4000
\(\Rightarrow x=40\)
Vậy ...
\(1+2+3+..+100=\dfrac{\left(1+100\right).100}{2}=5050\)
Vầy đó bạn :))