1.10x9+20x9+100x9 2.14x14+14x29+14x147+14x10 000 3.365+365+265+265+165+165+65+65
3x9=?
5x7=
6x7=
9x8=
3x9=
6x9=
ai nhanh nhất mình like cho
Tính nhanh:
a,4x126x25
b,[9x8-12-5x12]x[1+2+3+4+5]
c, 3x9+18x2+2x9+9
d,2006x[43x10-2x43x5]+100
10+10+10+10+10+10+10+10+10+10=?
Tìm trung bình cộng của dãy số sau : 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10
Complete 10 Times Table.
1 10 is 10 5 10 is ... 9 10 is ...
2 10 is 20 6 10 is ... 10 10 is ...
3 10 is 30 7 10 is ... 11 10 is ...
4 10 is 40. 8 10 is ... 12 10 is ...
10+10-10-10+10+10+10
10+10+10+10+10+10=??