số lớn bàng 1,25 lần số bé
suy ra số lớn bằng 125/100 số bé
suy ra số lớn bằng 5/4 số bé
Số bé là: 212,4 : (5+4) x 4 = 94,4
Số lớn là: 212,4 - 94 ,4 =118
tong cua 2 so la 212,4 . tim so lon biet so lon bang 1,25 so be
TONG CUA 2 SO LA 212,4 BIET SO LON GAP 1,25 LAN SO BE TIM SO LON
tim hieu cua hai so biet so lon gap 4 lan so be va biet khi cong hai so do voi tong cua chung thi bang 480 hieu cua hai so do la bao nhieu
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
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
hieu cua hai so la 17.6 biet 6 lan so lon hon 4 lan so be 176.4 tim tong 2 so
tim 2 so co tong bang 222 biet tang so lon 8 lan gim so be 5 lan thi so lon gap 2 lan so be
