\(60\%=\frac{60}{100}=\frac{3}{5}\)
Suy ra số bé là 5 phần, hiệu là 3 phần, vậy số lớn là: 5 + 3 = 8 ( phần )
Tổng số phần bằng nhau là:
5 + 8 = 13 ( phần )
Số lớn là:
266,5 : 13 x 8 = 164
Đ/s: 164
Biet hieu cua hai so bang 60% so be, tong hai so bang 266,5
Vay so lon la....
biet hieu 2 so bang 60% so be, tong hai so bang 266,5. Tim so lon
hieu hai so gap doi so be , tong hai so bang 180 vay so lon la ?
biet hieu cua 2 so bang 60% so be tong 2 so bang 266.5
vay so lon 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
hieu hai so bang 1/3 so be. Tong hai so la 63. Vay so be la
so lon bang 5/7 tong hai so. hieu hai so bang 48. tim so be
cho hai so biet so be bang 25% hieu hai so va biet tong hai so do bang 19,2 tim so lon [giai day du]
tim hai so biet tong hai so do bang 125%so lon hieu hai so do lon so be 57.5 don vi
