(16x6+16x3+16) - (12x65+12x3+2x12) ?
16+16x6-64=?
4/6 x 10+6/10 x 16+1/16x3+1/24x7+1/28x5
\(\frac{4}{6}\cdot10+\frac{6}{10}\cdot16+\frac{1}{16}\cdot3+\frac{1}{24}\cdot7+\frac{1}{28}\cdot5\)
đề bài như này hả
Tính :
47 x 2 25 x 3 16 x 6 18 x 4 28 x 6 36 x 4 82 x 5 99 x 3
47 x 2 94 25 x 3 75 16 x 6 96 18 x 4 72 28 x 6 168 36 x 4 144 82 x 5 410 99 x 3 297
Rut gon phan so sau:
A=5^2 x 6^11 x 16^2+6^2x12^6x15^2/2x6^12x10^4-81^2 x 960^3
Giải các phương trình sau:
a) x − 2 x + x x + 2 = 2 ;
b) 2 x + 1 − 1 x − 2 = 3 x − 11 x + 1 x − 2 ;
c) 5 + 96 x 2 − 16 = 2 x − 1 x + 4 + 3 x − 1 x − 4 ;
d) 2 x + 2 − 2 x 2 + 16 x 3 + 8 = 5 x 2 − 2 x + 4 .
8x3x4 phần 16x3
1+2x12=????????
Tính hợp lí :
A, 12x65 - 15x3 + 15 x 38
B, 24x13,5+24x0,42-24x3,92
C, 42x14+84x32-42x28
D, 45x16 - 90 + 45x76
16x3-32x5+16x8+100