20 . 20 . 20 . 20
= 400 . 20 . 20
= 8000 . 20
= 160000
k mik nha
thank you very much
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20 . 20 . 20 . 20
= 400 . 20 . 20
= 8000 . 20
= 160000
k mik nha
thank you very much
20 + 20+20+20+20+20+20+20+320+2+2651=???
ai k mk thi mk k lai
20+20+20+20+20
10 + 20 + 20 + 20 + 20 + 20 = ?
100 + 20 + 20 + 20 + 20 + 20
20+20+20+20+20
Viết 5 phép cộng có tổng bằng 20 theo mẫu: 19 + 1 = 20;
… + … = 20
… + … + … = 20
… + … + … + … = 20
10 + 10 + 20 + 20 + 10 + 10 + 20 + 20 = ?
20 + 80 + 80 + 20 + 80 + 20 + 20 + 80 = ?
30 + 40 + 30 + 20 + 40 + 20 + 40 + 50 + 30 + 20 + 20 + 50 = :)?