\(1\frac{1}{2}\)\(+1\frac{1}{3}\)\(=\frac{3}{2}\)\(+\frac{4}{3}\)\(=\frac{9+8}{6}\)\(=\frac{17}{6}\)
~ HOK TỐT ~
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Đọc tiếp
1) Ban Xuan mua sach toan va sach van het 70 500 dong . Ban Ha mua sach toan va sach van het 64 500 dong . Biet moi quyen sach toan gia 7 500 dong , sach van gia 6 000 dong va so sach toan ban cua ban nay so sach van cua ban kia . Hoi ban Xuan mua bao nhieu sach toan , bao nhieu sach van ?
2) Hai nguoi cung lam chung 1 cong viec sau 12 gio thi hoan thanh . Neu nguoi thu nhat lam mot minh 2/3 cong viec mat 10 gio . Hoi nguoi thu hai lam 1/3 thi het bao lau moi xong ?
Cac ban giai duoc bai nao thi giai nhe !
Cac ban oi , cho minh hoi chap chung la gi vay cac ban ?
GIUP MINH VOI NHO NHE MINH DANG CAN GAP LAM
AI NHANH MINH SE TICK CHO
Mot to cong nhan sua duong, ngay thu 1 sua duoc 2/9 quang duong,ngay thu 2 sua duoc 3/8 quang duong thi con 58m. Hoi
A} Quang duong can sua bao nhieu m?
B} Moi ngay doi do sua duoc bao nhieu m?
CAC BAN HAY GHI DAY DU LOI GIAI NHE
NHANH LEN NHE MINH TICK LIEN CHO MA CAN SU HO TRO CUA CAC BAN NHIEU LAM