a: 3<6
b: 2<4
c: 9>6
d: 9=9
a) 3<6
b) 2<4
c) 9>6
d) 9=9
tick cho mik nha tick cũng được không tick cũng được nha
Nhi❤
Cho ab - 16 = 81. Hỏi tổng a3 + b5 = ?
Tìm a,b,c biết:
a) a3 -17=66
b)a42 +b5 +10c=789
c)ab +281=ab0 +2
d)2ab2=ab x 11+1989
e)ab x 6=a0b
9+99+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9=
9 x 9 x 9 x 9 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 0 x 9 = ?
bằng mấy?
9*9*9*9*9*9*9*9*9*9*9*9*9*9
9+9+9+9+9+9+9+9+9+9+9:0+6=?
9*9*9*9*9*9*9*9*9*9*9*9+1*0+1*0+1=?????????????
9+9+9+9+9+9+9+9+9+9=?
Tính nhẩm
| 9 x 2 = ...... | 9 x 3 = ...... | 9 x 4 = ...... | 9 x 5 = ...... |
| 18 : 9 = ...... | 27 : 9 = ...... | 36 : 9 = ...... | 45 : 9 = ...... |
| 9 x 6 = ...... | 9 x 7 = ...... | 9 x 8 = ...... | 9 x 9 = ...... |
| 54 : 9 = ...... | 63 : 9 = ...... | 72 : 9 = ...... | 81 : 9 = ...... |
