ile to jest- 3 1/2 + (1 1/3 + x)=6
to jest tak:
1 1/2 + x=2 1/2 / -1 /1/3
5/2-5/3=x
30/12 - 20/12= 10/12=1,2
x=1,2
mam nadzieje z epomogłam:D
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to jest tak:
1 1/2 + x=2 1/2 / -1 /1/3
5/2-5/3=x
30/12 - 20/12= 10/12=1,2
x=1,2
mam nadzieje z epomogłam:D