Tong cua 2 so la 212,4 Tim so lon biet so lon bang 1,25 lan so be
TONG CUA 2 SO LA 212,4 BIET SO LON GAP 1,25 LAN SO BE TIM SO LON
tim 2 so biet tong cua chung la 340 biet so lon chia so be bang 3 khong du
tim 2 so biet tong cua chung bang 340 va biet so lon chia cho so be duoc thuong bang 3 va khong du. tim so lon va so be
tong cua 2 so tu nhien la 630.tim so be biet neu bót so be di 19 don vi va them vao so lon 19 don vi thi so be bang 3/4 so lon
tim hai so tu nhien biet so lon chia so be duoc thuong la 2 va biet tong cua so lon va so be la 258
tim 2 so biet tong cua chung bang 2008 va biet so biet so be bang so lon.
tim 2 so tu nhien khi biet tong cua chung bang 2009 va biet giua chung co 5 so le
so lon la
so be la
TRA LOI CAU HOI SAU:
cau1:1/3 cua 186 bang
cau2:5/4cua 2012 bang
cau3:3/4 cua 192 bang
cau4:hieu hai so bang 246 so be bang 3/5 so lon vay so lon la
cau5:tong hai so bang 222 biet rang neu cung them moi so 9 don vi thi so lon gap doi so be tim so lon
cau6:cho hinh chu nhat co chu vi bang 104cm biet neu giam chieu dai di 2cm va tang chieu rong len 2cm thi no cho thanh hinh vuong so do chieu dai hinh chu nhat la
cau7:tong 2 so bang 260 biet neu cung bot moi so di 6 don vi thi so lon gap 3 lan so be vay so be la
