Theo quy luật của các nhóm số sau:
2 (5) 11; 3 (5) 10; 8 (5) 41; 20 (?)101
Hãy điền số thích hợp thay cho số "?"
Trả lời : Số cần điền là :5
k mk mk k lại
quy luật là " số đầu nhân với số trong ngoặc rồi cộng với 1 là ra số tiếp theo "
số cần điền là 5
cảm ơn bạn rất là nhiều !!!!!!!!!!!!!!!!!!!!!
các bạn làm đúng rồi đấy!!!!!!!!!!!!!!!
mình là rồi bạn Linh Linh Chi
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vi 2*5+1=11
nen 20*5+1=101
nen ta dien chu so 5 la dung nhe ban 1 cai nhe
là 5 đấy
đúng 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