Rozwiąż równania: a)3a+1 3/4 = 2 1/5 , b)1 2/3 - 5c =1 1/4 , c) 1/2p: 1 3/4 =8
a)3a+ 7/4 = 11/5
3a=11/5-7/4
3a= 44/20-35/20
3a= 9/20 :3
a= 0,15
b)1 2/3 - 5c =1 1/4
5/3-5c=5/4
-5c=5/4-5/3
-5c=15/12-20/12
-5c=-5/12 *(-1)
5c=5/12 :5
c= 5/60
1/2p: 1 3/4 =8
1/2p: 7/4=8 *2
p:14/4=16 :3,5
p=16/3,5
myśle że pomoge
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a)3a+ 7/4 = 11/5
3a=11/5-7/4
3a= 44/20-35/20
3a= 9/20 :3
a= 0,15
b)1 2/3 - 5c =1 1/4
5/3-5c=5/4
-5c=5/4-5/3
-5c=15/12-20/12
-5c=-5/12 *(-1)
5c=5/12 :5
c= 5/60
1/2p: 1 3/4 =8
1/2p: 7/4=8 *2
p:14/4=16 :3,5
p=16/3,5
a)3a+ 7/4 = 11/5
3a=11/5-7/4
3a= 44/20-35/20
3a= 9/20 :3
a= 0,15
b)1 2/3 - 5c =1 1/4
5/3-5c=5/4
-5c=5/4-5/3
-5c=15/12-20/12
-5c=-5/12 *(-1)
5c=5/12 :5
c= 5/60
1/2p: 1 3/4 =8
1/2p: 7/4=8 *2
p:14/4=16 :3,5
p=16/3,5
myśle że pomoge