Các câu hỏi tương tự
8.3*6.9+8.3+2.1*8.3
2.1+4.3+6.5+8.7+...+19.7+21.9=?
151.6+0.09 275-48.1
0.15+1.09 2.1-0.95
8.3*6.9+8.3+2.1*8.3
9.8+8.7+7.6+....+2.1-1.2-2.3-3.4-...-8.9
tính
51.2:3.2-4.3 *[3-2.1]-2.68
5/2.1+4/1.11+3/11.2+1/2.7
3.8 x 4.54 + 3.6 : 1.5 + 5.46 x 3.8 - 2.1 : 1.5
5/2.1 +4/1.11+3/11.2+1/2.7