( 96 - 2 ):2+1= 48 ( số)
Tổng là: ( 2+4)x98:2=294
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.1. Lop em vua nhan 300 quyen sach gom 3 loai . Toan , tieng viet , tieng anh , biet so sach tieng anh = toan + tieng viet . So sach tieng anh + tieng viet gap 5 lan toan . Tim so puyen sach moi loai ?
de thi violympic toan tieng anh lop 4 vong 9
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Lop 4a co 42 hoc sinh .trong do co 25 hs gioi toan .23hs gioi tieng anh va hai thang ngu deo gioi mon nao .hoi co bao nhieu hoc sinh giai ca hai mon ?
11 tháng 3 2017 lúc 20:24
Six students had an orange eating contest. The graph shows the number of oranges eaten by each student. Mary ate the fewest oranges and Jack ate the greatest. How many more oranges did Jack eat than Mary?
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Six students had an orange eating contest. The graph shows the number of oranges eaten by each student. Mary ate the fewest oranges and Jack ate the greatest. How many more oranges did Jack eat than Mary?
Mot cua hang co số thóc ít hon số ngô là 450kg.Tinh số thóc và ngô biêt́ rằng số thóc bằng 2/5 số ngô.
1.Rut gon cac phan so sau: 15/24 ; 21/42 ; 54/18 ; 100/25 . (day la toan lop 4 cac ban a, lam nhanh cho minh cac ban nhe)
27 x29 +29...+46 x71=4600
la de toan tieng anh
co 3 thung sach toan va 5 thung sach tieng viet , so sach toan trong mot thung nhieu gap 2 lan so sach tieng viet trong mot thung . Biet so sach toan nhieu hon so sach tieng viet 25 quyen . Hoi co bao nhieu quyen sach moi loai ?
minh dang can gap cac ban nhe