co 1 so keo muon chia thanh cac goi qua deu nhau, khi chia thanh goi 20 cai, goi 25 cai va goi 30 cai deu du 5 cai. Tinh so keo hien co. biet rang so keo lon hon 100 va nho hon 1600
GIUP TO NHE!
Thang nay lop 6a1 xep thu nhat duoc thuong 2 goi keo va 3 goi banh .So keo moi goi la 30 cai , so banh moi goi la 45 cai.De chia deu so keo va banh thanh tung phan nho lam phan thuong do vui de hoc cuoi tuan sao cho so banh keo moi phan it nhat ,hoi chia duoc may phan ?
lop 5c an keo moi hs an 4cai hoac 5 cai . ca lop an220 cai . biet lop 5c co 4 to va so hs cua moi to nhu nhau . hoi co bn ban an 5cai , bn ban an 4 cai
Trong mot buoi lien hoan , ban to chuc da mua 96 cai keo , 36 cai banh va chia deu ra dia moi dia gom ca keo va banh co the chia duoc nhieu nhat la bao nhieu dia moi dia co may cai keo bao nhieu cai banh
Co 8 goi keo cung loai , do loi cua nha san xuat ma trong do co 1 goi khong dung luong . Bang can robecvan , hay tim ra goi keo do voi so lan can it nhat
1, tinh cac gia tri cac bieu thuc sau mot cach hop li;
a,27+73-30:(25-10)
133.(33+20)-33.(133+20)
(15^2015+15^2016):15^2015
2,tim so nguyen x biet
2x-4=-18
(x+1)^3=27
13-(x-2)=11
3,nguoi ta to chuc phat qua cho cac em nho nhan dip tet trung thu gom co 133goibanh,80goi keo,170hop mut duoc chia deu vao cac phan qua.nhung khi chia thi thi con thua 13 goi banh ,8goi keo va 2 hop mut khong chia duoc cac phan qua.hoi nguoi ta da phat qua duoc nhieu nhat bao nhieu ban nho
4,tren tia ax,ve cac diem b,c sao cho ac=4,ab=8.
a,hoi trong 3 diem a,b,c diem nao nam giua 2diem con lai .
b,diem c co phai la trung diem cua doan thang ab khong . vi sao
5, tinh tong a=6+18+36+60+.........+29700+30300
mong cac ban se giup minh nhe ban nao giup minh se like cho nhieu cai va nho co loi giai phep tinh dang hoang nha i love you
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sau buoi bieu dien van nghe, nha truong tang qua cho cac tiet muc, lan dau tang tiet muc dong ca 5/6 so keo va 1/6 goi, lan thu 2 tang tiet muc top ca 6/7 so keo con lai va 1/7 goi, lan thu 3 tang tiet muc don ca 3/4 so keo con lai va 1/4 goi thi vua het. tinh so keo truong do da tang va so keo tang rieng cho tung tiet muc
ai giup mik voi, nhanh len nha, mik tick cho!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
mk co 10 cai keo ,cu 2 vo keo doi duoc 1 cai keo .vay mk co tat ca bao nhieu cai keo
TRONG MOT BUOI LIEN HOAN , BAN TO CHUC MUA 96 CAI KEO , 36 CAI BANH VA CHIA DEU RA CAC DIA , GOM CA BANH VA KEO . CO THE CHIA DUOC NHIEU NHAT MAY DIA , MOI DIA CO BAO NHIEU CAI KEO , BAO NHIEU CAI BANH ??
CAN YOU HELP ME ......