1rozwiąż
15-x= 71/3
m-1 5/6= 2 2/3
25: b = 6
d:4=5 1 /2
3a+ 1 3 /4 = 2 2/ 5
daje naj + 10 pk
15-x= 7 1/3
-x=7 1/3-15
-x=-7 2/3 /:(-1)
x=7 2/3
m=2 2/3+1 5/6
m=2 4/6+1 5/6
m=3 9/6
m=4 3/6
m=4 1/2
25: b = 6 /*b
25=6b /:6
b=25:6
b=4 1/6
d:4=5 1 /2 /*4
d=11/2*4
d=22
3a=2 2/5-1 3/4
3a=2 8/20-1 15/20
3a=1 28/20-1 15/20
3a=13/20 /:3
a=13/20*1/3
a=13/60
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15-x= 7 1/3
-x=7 1/3-15
-x=-7 2/3 /:(-1)
x=7 2/3
m-1 5/6= 2 2/3
m=2 2/3+1 5/6
m=2 4/6+1 5/6
m=3 9/6
m=4 3/6
m=4 1/2
25: b = 6 /*b
25=6b /:6
b=25:6
b=4 1/6
d:4=5 1 /2 /*4
d=11/2*4
d=22
3a+ 1 3 /4 = 2 2/ 5
3a=2 2/5-1 3/4
3a=2 8/20-1 15/20
3a=1 28/20-1 15/20
3a=13/20 /:3
a=13/20*1/3
a=13/60