HAKED BY PAKISTAN 2011
12% cua 100
tim so thu 100 cua day so 4;8; 12; 16
tim so thu 100 cua day so sau 4 ;8; 12 ;16
tim so hang thu 100 cua day
3 ,12, 27 ,48 , 75............
tim so thu 100 cua day so sau : 4 , 8 , 12 , 16
1) co bao nhieu so co 3 chu so ma ko chia het cho 5
2) tim so hang thu 100 cua day so: 1; 4;9;25;36...
3) tim phan so thu 100 cua day phan so:
1/2; 1/6; 1/12; 1/20; 1/30...
neu quy luat tim so hang thu 100 cua day
a ) 12 , 20, 30,42 ....
b) 7 8 , 10 , 13 , 17 , 22 , 18 ...
c) 5 , 12 , 21 , 32 , ..
trung binh cu 100 ban hoc sinh trong truong thi co 12 ban thich choi bong da.Hay tim so phan tram cua so ban thich choi bong da va so hoc sinh toan truong.
tren ban do ti le 1:100 000 quang duong tu tinh a den tinh b do duoc 12 cm.
do dai thuc cua quang duong do la:..........km