1phan2+ 1phan4 < 1
1phan 5+ 2 phan 13 < 1
1phan 12+ 2 phan 14 < 1
1phan 2 +2phan 3 > 1
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Các câu hỏi tương tự
tim cac phan so lon hon 5phan 6 va be hon 11phan 12 co mau so la 48
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
tinh bang 2 cach ;a; mo ngoac 1phan 3 cong2 phan 5 dong ngoac nhan 3phan 4 b;mo ngoac 7phan 9 cong 2phan 3 dong ngoac chia 5phan 6
Bai 1 Tim x
A) x nhan 4 phan 5 = 1 phan 2 nhan 1 phan 3
B ) x : 2 phan 5 = 2phan 3 + 1 phan 2
7phan 19 * 1phan 3 +7 phan 19 * 2phan 3
Trong dot kiem tra mon toan cuoi nam hoc lop 4a co 1phan 2 so hs dat diem gioi 1phan4 so hk sih dat diem kha 1 phan 5 so hs dat diem tbih con lai 2 e dat diem yeu.tinh so hs moi loai
A= 1 phan 2 + 1 phan 6 + 1 phan 12 + 1phan 20 + 1 phan 30 + 1 phan 30 + 1 phan 42
Xem chi tiết
1phan 2 cong 1 phan 3 cong 1 phan 5 bang bao nhieu
so sanh 2 phan so sau
a 3 phan 5 va 4 phan 5
b 12 phan 13 va 13 phan 13