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1.tìm hai số biết trung bình cộng của chúng là 875 và số lớn hơn trong hai số là số lớn nhất có hai chữ số
hai số đó là 99 và 1651
2.Cho hai số biết số lớn là 1516 và số này lớn hơn trung bình cộng của hai số là .Tìm số bé
câu này đề thiếu ??
3.tìm 7 số chẵn liên tiếp, biết trung bình của chúng là 1886:
là 1880, 1882 , 1884 , 1886 , 1888 , 1890, 1892
4.tìm 10 số lẻ liên tiếp ,biết trung bình của chúng là 2316
là 2307 ,2309,2311,2313,2315,2317,2319,2321,2323,2325
TL:
1.tìm hai số biết trung bình cộng của chúng là 875 và số lớn hơn trong hai số là số lớn nhất có hai chữ số
hai số đó là 99 và 1651
2.Cho hai số biết số lớn là 1516 và số này lớn hơn trung bình cộng của hai số là .Tìm số bé
câu này đề thiếu ??
3.tìm 7 số chẵn liên tiếp, biết trung bình của chúng là 1886:
là 1880, 1882 , 1884 , 1886 , 1888 , 1890, 1892
4.tìm 10 số lẻ liên tiếp ,biết trung bình của chúng là 2316
là 2307 ,2309,2311,2313,2315,2317,2319,2321,2323,2325
giả sử 5 số đó là a,a+2,a+4,a+6,a+8(a là số lẻ)
Ta có :( a+(a+2)+(a+4)+(a+6)+(a+8) );5=45
->a+(a+2)+(a+4)+(a+6)+(a+8) =45.5=225
->5a + (2+4+6+8)=225
->5a + 20=225
->5a =205
->a=41 -> a+8=49 . Vậy số lớn nhất là 49
Ta có: TBC của 3 số 43,45,47 là 45
nên số lớn nhất là 47
Nhớ tk cho mik nha
do la trung binh cong cua st2 va st3
hai so le hk nhau 2 dv nen tbc hon st2 1 don vi va st3 la 1 don vi
st3 la:
266+1=267
st4 la: 267+2=269
dap so : 269
18 không bạn ?
số lớn nhất là: 178.
mình nhầm . Số lớn nhất là 18 không?
184 nhé bạn, mình giỏi cấp huyện đấy đừng có nghe lời bọn kia.
175 là số ở giữa vậy
số thứ 5 là
175 +2=177
số thứ 6 là
177+2=179
số thứ 7 là
179+2=181
số thứ 4 là:175
số lớn nhất là:
175 + 2 + 2 + 2 = 181
Nhầm là 179 nhé bạn.
băng hải tặc mũ rơm trung bình công của 7 số lẻ liên tiếp số lẻ ko phải là số chẵn đâu
Lại nhầm 181 mới đúng.
xin loi minh nham quen chua doc chu so le phai bang 181
Là 181 nhé bạn.
Số lớn nhất là:
175+2+2+2=181
Đáp số : 181
181 nha bạn
Số lớn nhất là:
175+2+2+2=181
Đáp số:181
184 là sai đó . vì đề bài bảo tìm số lẻ
181 nha bạn .Kết bạn với tớ nhé
Số lẻ chính giữa là 175.
Do đó 7 số lẻ đó là 169; 171;173;175; 177; 179; 181.
Vậy số lớn nhất là 181.
Mấy tên cuối ngu cả đám tụi mày chơi số chẵn bọn tao trả lới là số lẻ = 181
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