\(\left(8^{2020}+8^{2019}\right):8^{2019}\)
\(=\frac{8^{2020}+8^{2019}}{8^{2019}}\)
\(=\frac{8^{2019}\cdot\left(8^1+1\right)}{8^{2019}}\)
\(=8^1+1\)
\(=8+1\)
\(=9\)
\(\left(8^{2020}+8^{2019}\right):8^{2019}\)
\(=\frac{8^{2020}+8^{2019}}{8^{2019}}\)
\(=\frac{8^{2019}\cdot\left(8^1+1\right)}{8^{2019}}\)
\(=8^1+1\)
\(=8+1\)
\(=9\)
So sánh
c/M=2019/2020+2020/2021vàN=2019+2020/2020+2021
d/A=108+2/108-1bà B=108/108=3
1 - 2 + 3 - 4 + 5 - 6 + 7 - 8 + ..... + 2019 - 2020 + 2021
1-2+3-4+5-6+7-8+...+2019-2020+2021
tìm phân số nhỏ nhất trong các phân số sau 1001/1000, 7/8, 2020/2019, 2020/2021
1-2+3-4+5-6+7-8+...+2019-2020
1+2-3-4+5-6-7-8+...-2019-2020+2021+2022
cho x + (-2019) = (-2019) +2020 . số nguyên x bằng
mn gúip en với ạ 8:00 em nộp rồi
Tính nhanh
a, 7-8+9-10+11-12+...+2019-2020
b,-1-2-3-4-...-2019-2020
AI ĐÓ GIÚP MÌNH VỚI ! MINH CẦN NGAY !!!
1+2-3-4+5+6-7-8-....-2019-2020+2021+2022 help