a)5.4 mũ 2-18 : 3 mũ 2
b)3 mũ 3 . 18- 3 mũ 3.12
c)80-(130-(12-4)mũ 2)
1
Thuc hien phep tinh
5.4^2 -18:3^2
3^3.18-3^3.12
39.213+87.39
80-[130-(12-4^2)]
4.15-34.4+4.4/3.6-3.12
Tìm x : x.3=3.12=36
3 mũ 3.18-3 mũ 3.12
S=1.6+2.9+3.12+4.15+.....+98.297+99.300
\(3.8.5^2+2.4^3.12+\left(2^3+3\right).6.4\)
Tính S= 1.6+2.9+3.12+4.15+...+98.297+99.300
Tính:
S= 1.6+2.9+3.12+4.15+...+98.297+98.300