so co 5 chu so ma chu so hang don vi la 9 va nho hon so 10019 la

so co 5 chu so ma chu so hang don vi la 9 be hon 10019

so co 5 chu so ma chu so hang don vi la 9 va nho hon so10019 la so nao?

tich cua 2 so A va B la mot so co hai chu so chia het cho 2 va 3 va chia 5 du 1,chu so hang chuc nho hon chu so hang don vi .khi cong hai don vi vao A va 4 don vi vao B thi ta co tich moi la 98. hay tim A va B.

tim mot so co ba chu so nho hon 115 co hieu giua chu so hang don vi va chu so hang tram la 7 . 

BAI5 VIET SO LON NHAT CO BON CHU SO MA TONG CAC CHU SO BANG 9, HIEU CHU SO HANG DON VI VA HANG NGHIN LA 5

BAI 5 VIET CAC SO CO 4 CHU SO, BIET MO SO DUNG SAU HON CHU SO DUNG TRUOC 2 DON VI(VI DU :1357)VA SAP SAP CHUNG THEO THU TU TANG DAN.

cho e la tap hop cac so tu nhien co hai chu so ma chu so hang chuc nho hon chu so hang don vi la 4

so phan tu cua e la

tim tat cac so tu nhien co ba chu so thoan man cac tinh chat sau : co tong cac chu so bang 9 chu so hang chuc lom hon chu so hang don vi la 2 don vi va neu ta doi chu so hang tram cho hang don vi thi duoc so moi lon hon so ban dau la 198 don vi

cho G la tap hop cac so tu nhien co 2 chu so ma chu so hang chuc nho hon chu so hang don vi la 6. Số phần tử của tập hợp G