Các câu hỏi tương tự
1so sanh phan so 12/25 va 25/49 80/95 va 144/1536 tinh gia tri bieu thucphanso1phan 72+1phan56+1 phan 42+ 1phan 30 +1phan 20 + 1phan 127tinh nhanh phan so17 phan 12+ 9phan 7-(2phan7 -7phan 12)11phan7 nhan (38 phan 45 nhan 17 phan 11 )(1+1phan2 ) nhan (1+1phan3 ) nhan ....... nhan (1+1phan20059 cho phan so 25phan 42 tim so tu nhien a sao cho khi them vao tu so cua phan so da cho va giu nguyen mau so thi duoc phan so moi bang 6phan 7
Đọc tiếp
1so sanh phan so
12/25 va 25/49 80/95 va 144/153
6 tinh gia tri bieu thucphanso
1phan 72+1phan56+1 phan 42+ 1phan 30 +1phan 20 + 1phan 12
7tinh nhanh phan so
17 phan 12+ 9phan 7-(2phan7 -7phan 12)
11phan7 nhan (38 phan 45 nhan 17 phan 11 )
(1+1phan2 ) nhan (1+1phan3 ) nhan ....... nhan (1+1phan2005
9 cho phan so 25phan 42 tim so tu nhien a sao cho khi them vao tu so cua phan so da cho va giu nguyen mau so thi duoc phan so moi bang 6phan 7
cho a=1 phan 5 + 1phan 6 +1 phan 7 +1 phan 8 + 1 phan 9 .so sanh avoi 1
cac ban nho yich ro rang cho minh nha
dien dau <,>,=
1phan2+ 1phan4... 1
1phan 5+ 2 phan 13...1
1phan 12+ 2 phan 14 ...1
1phan 2 +2phan 3... 1
dua cac phan so ve cung mau so roi sap xep theo thu tu tu be den lon 2 phan 7 6 phan 14 30 phan 35 3 phan 21 2 phan 5 9 phan 45 8 phan 10 12 phan 20
1phan 2 cong 1 phan 3 cong 1 phan 5 bang bao nhieu
tinh :
4 phan 7* 5 phan 6 +5 phan 7 *5 phan 6 ; 1 phan 2 :3 * 1 phan 2
tinh :
4 phan 7* 5 phan 6+ 5 phan 7 * 5 phan 6 ; 1 phan 2 chia 3 * 1 phan 2
mot nguoi dem cam ra cho ban lan1 nguoi do ban 1phan 2 so cam va 1 phan 2 qua lan 2 ban 1 phan 2 so cam con lai va 1 phan 2 qua va cu tiep tuc ban nhu the 6 lan thi vua het so cam hoi nguoi do dem ra cho ban bao nhieu qua cam ?
tim 1 phan so biet neu them 3 vao tu so va giu nguyen mau so thi duoc 1phan so co gia tri bang 1
neu them vao mau so 12 thi duoc 1 phan so co gia tri la 1/ 2