2+2=4
4+6=10
5+0=5
4+7=11
2+3=5
2 + 2 = 4
4 + 6 = 10
5 + 0 = 5
4 + 7 = 11
3 + 2 = 5
k nha
2 + 2 = 4
4 + 6 = 10
5 + 0 =5
4 + 7 = 11
2 + 3 = 5
2 + 2 = 4
4 + 6 = 10
5 + 0 = 5
4 + 7 = 11
2 + 3 =5
2+2=4
4+6=10
5+0=5
4+7=11
2+3=5
2 + 2 = 4
4 + 6 = 10
5 + 0 = 5
4 + 7 = 11
3 + 2 = 5
k nha
2 + 2 = 4
4 + 6 = 10
5 + 0 =5
4 + 7 = 11
2 + 3 = 5
2 + 2 = 4
4 + 6 = 10
5 + 0 = 5
4 + 7 = 11
2 + 3 =5
1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9+0+0+0+3+4+1+2+3+111+44+99
1+1+2+2+3+3+4+4+5+5+6+6+7+7+8+8+9+9+0+0+=?
1+2+3+4+5+6+7+8+9+0+0+0+0+0+0+9+8+7+6+5+34+2+3+5=.........
1*2*3*4*5*6*7*3*5*7*3*5*3*0*5*6*4*6*3*12*4*76*7*899*45=?
9-8+7-6+5-4+3-2+1-0-5+0-5+0-0+5-0
0+1+2+3+4+5+6+7+8+9+5+6=6
1+2+3+4+5+6+7+8-9-7-.....+0
Tính nhẩm
a) 6 x 2 = ..... 6 x 3 = ..... 6 x 8 = ..... 6 x 1 = .....
6 x 4 = ..... 6 x 5 = ..... 6 x 9 = ..... 1 x 6 = .....
6 x 6 = ..... 6 x 7 = ..... 6 x 10 = ..... 0 x 6 = .....
b) 6 x 5 = ..... 6 x 4 = ..... 3 x 6 = ..... 2 x 6 = .....
5 x 6 = ..... 4 x 6 = ..... 6 x 3 = ..... 6 x 2 = .....
1+2+3+4+5+6+7+8+9+0:5:9=?