Giúp em vs ạ em cần gấp

a bai 3 5+an 762 hq = 5,782+an 0,995 kg b) 2895 g 4,05m Bai 1 (1) (x-13) - 15-0 (2)(x-287-213=0 (8) (20-24] <11=0 (4) COC-52)-62-32 15(x-19)-23-58- 6120-30) Bai 2 75 -125 1) 124 + ( 118-20)-217 2) 217+ (118-20 -310 3 315+ (146-2c) = 401 Bai3 1.106 - (Oct 7) = 9 2.45 - + 10) 3. 156 - (3 ...