3**/*3=3*
ghi ca loi giai * ko can giong
hay tim 4 phan so khac nhau lon hon 3/7 nhung be hon 2/3 (ghi ro loi giai cho minh nhe)
tu 92 den 745 co bao nhieu chu so
ghi ro loi giai gium mk
co bao nhieu so co 2 chu so chia het cho 3 nhung ko chia het cho 9?minh can gap lam!ai nhanh va dung nhat minh se tick 3 cai!(loi giai nua nhe!)
7/5 x 4/3 x 4/3
Ghi loi giai chi tiet vs a
Mot lop hoc co it hon 35 H/S va nhieu hon 20 H/S neu hoc sinh trong lop xếp đều thanh 3 hang hoặc thanh 5 hang thi ko thua ko thieu ban nào tim so hoc sinh cua lop do???( ghi them loi giai!!!)
Tim 2 so biet so thu nhat hon si thu hai la 83 don vi . Mếu them vao so thu nhat 37 don vi thi duoc so moi bang 8/2 so thu 2
ghi ro ket qua loi giai nha
trung binh cong tuoi cua ba , me , lan , hung la 20 tuoi . tong so tuoi cua ba , lan va hung la 48 tuoi . lan kem me 23 tuoi . hoi tuoi lan la bao nhieu ? ghi ro loi giai dap so gium mk
tong cua hai so la 25750.neu them so be 125 don vi va giam so lon 90 don vi thi so be bang 2/3 so lon tim hai so do .nho viet loi giai ra ro rang nhe cac ban