Các câu hỏi tương tự
Tim 1 so co 3 chu so biet tong 3 chu so la 20,tong 3 chu so gap 4 lan chu so hang tram,chu so hang chuc gap ruoi chu so hang don vi .Tim so do.
tim mot so co 3 chu so biet tong 3 chu so la 20 tong 3 chu so gap 4 lan hang tram hang chuc gap ruoi hang don vi
tim so co 3 chu so biet tong 3 so la 21 tong ba chu so gap ba lan hang tram chu so hang chuc hon chu so hang don vi 4. So can tim la violympic
tim mot so co hai chu so biet rang so do gap 7 lan tong cua no va chu so hang chuc hon chu so hang don vi la 4
1 ,Tim so co 4 chu so biet chu so hang tram gap doi chu so hang chuc , chu so hang chua gap 3 lan chu so hang don vi
2, Tim 1 so co 2 chu so , biet neu so do chia cho chu so hang don vi cua no thi dc thuong = 6 va du 5
3,Tim so co 4 chu so biet neu xoa chu so hang chuc thi so do giam di 1188 don vi
4, Tim so co 3 chu so neu so do cong voi tong cac chu so cua no thi = 555
Giai Han Ra Nhe !
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tim so tu nhien co 3 chu so biet rang chu so hang don vi chia chu so hang chuc duoc thuong la 3 du 1 chu so hang tram bang tong 2 so con lai
tim so le co 4 chu so biet tong cac chu so do bang 26 tich cac chu so cua so do la so tron chuc va gia tricua so do ko thay doi khi doi cho chu so hang nghin cho chu so hang chuc chu so hang tram cho chu so hang don vi
giai giup minh nhe////co va loi giai luonne.......cam o
tim so co hai chu so biet trung binh cong cua hai so la 6 , chu so hang don vi gap 2 lan chu so hang chuc
Bai 1 : a) Tim abcd biet : a x bcd 1001 b) Tim ab ; biet ab x aba ababBai 2 Tim so co hai chu so, biet rang neu viet them chu so 6 vao ben trai so da cho thi duoc so moi gap 7 lan so cu.Bai 3: Tim so co ba chu so, biet rang neu viet them chu so 3 vao ben trai so da cho thi duoc so moi gap 7 lan so doBai 4 :a) Tim cac so a7b cung chia het cho 5 va 9 b) Tim cac aso 1ab cung chia het cho 5 va 3Bai 5 : Tim so co hai chu so, biet rang so do chia cho hang don vi cua...
Đọc tiếp
Bai 1 :
a) Tim abcd biet : a x bcd = 1001 b) Tim ab ; biet ab x aba = abab
Bai 2 Tim so co hai chu so, biet rang neu viet them chu so 6 vao ben trai so da cho thi duoc so moi gap 7 lan so cu.
Bai 3: Tim so co ba chu so, biet rang neu viet them chu so 3 vao ben trai so da cho thi duoc so moi gap 7 lan so do
Bai 4 :
a) Tim cac so a7b cung chia het cho 5 va 9 b) Tim cac aso 1ab cung chia het cho 5 va 3
Bai 5 : Tim so co hai chu so, biet rang so do chia cho hang don vi cua no thi duoc thuong la 6, du 5.
Bai 6: Cho so co hai chu so trong do chu so hang don vi la 7. Tim so da cho, biet rang neu chia so do cho tong cac chu so cua no thi duoc thuong la 5 va du 12.