tong ket dot thi dua hoc tot lap thanh tich chao mung ngay thanh lap dang ,so diem 10 cua 4 to lop 5 a dat nhu sau. to 1 bang 1/2 tong so diem 10 cua 3 to con lai ,so diem 10 cua to 2 bang 1/3 tong so diem 10 cua 3 to con lai .so diem 10 cua to 3 bang 1/4so diem 10 cua 3 to con lai ,so diem 10 cua to 4 la 26 diem 10 . hoi lop 5a dat bao nhieu diem 10 . moi to dat bao nhieu diem 10 .nho cac ban giup minh

 

Trong tuan hoc tot lop 6A dat duoc so diem 10 nhu sau : So diem 10 cua to 1bang 1/3 tong so diem 10 cua ba to con lai, so diem 10 cua to 2 bang 1/4 tong so diem 10 cua ba to con lai, so diem 10 cua to 3 bang 1/5 tong so diem 10 cua ba to con lai, to 4 co 46 diem 10. Hoi ca lop co bao nhieu diem 10 ?

Giai giup minh voi moi nguoi nhe.

 

lop 5b co bon to thi dua ,so diem muoi cua to mot =\(\frac{1}{2}\)cua ba to con lai,so diem muoi cua to hai =\(\frac{1}{3}\)cua ba con lai,so diem muoi cua to ba =\(\frac{1}{4}\)cua ba to con lai ,to bon co 26 diem muoi .hoi moi to co bao nhieu diem muoi

 

một lớp tham gia phong trào hoa điểm tốt nhân ngày 20-11.tổ 1 co so diem 10 =1/3 so diem 10 cua 3 to con lai.to 2 co so diem 10=1/4 so diem 10 cua 3 to con lai.to 3co so diem 10 =1/4so diem 10 cua 3 to con lai. to 4 duoc 46 diem 10.tinh so diem 10 cua to 1,to 2 va to 3 ?

Trong  dot thi dua chao mung 20-11 so diem 10 cua to 1 bang 1/2 so diem 10 cua 3 to , so diem 10 cua to 2 bang 1/3 so diem cua ca 3 to .so diem 10 cua to 3 bang 1/4 so diem 10 cua ca 3 to. to 4 co 13 diem 10. Tinh so diem 10 cua ca lop?

trng 1dot th dua lop5a co tat ca 120 diem 10.trong do to 1 dat 1/3 tong so diem gioi cua ca 3 to.to 2 dat duoc 2/3 so diem10 cua 2 to con lai.tinh so diem 10 cua moi to

so ket mot tuan hoc 3 to cua lop 6a dat duoc nhieu diem gioi neu lay 1/5 so diem gioi cua to 1 chia deu cho 2 to kia thi so diem gioi cua 3 to bang nhau neu to 1 duoc them 8 diem gioi nua thi so diem gioi cua to 1 bang tong so diem gioi cua 2 to kia hoi moi to duoc bao nhoieu diem gioi

Làm dc bài nào thì làm nhé

1.Tìm sô tư nhiên x, biết rằng ba sô 12;20 va x, co tích bất kì cua hai so nao cung chia het cho so con lai

2. Cho doan thang CD, diem O

thuoc tia doi cua tia DC. Goi I,K lan luot la trung diem cua OD, OC

A. chung to OD < OC

B. trong ba diem I,O,K , diem nao nam giua hai diem con lai

C. chung to rang do dai doan

thang IK khong phu thuoc vao vi tri cua diem O

Trong 1 ki thi, tong so diem 6 mon thi cua 4 hoc sinh nhu sau: diem cua nguoi thu nhat bang 12/51 tong so diem 3 nguoi con lai, diem cua nguoi thu hai bang 17/48 tong so diem 3 nguoi con lai, diem cua nguoi thu 3 bang 19/46 tong so diem 3 nguoi con lai,nguoi thu tu duoc 45 diem. hoi moi nguoi duoc bao nhieu diem