Odpowiedź:
Zad.1
1 5/7*(4 3/4-4 2/4)+5/7=1 5/7*1/4+5/7=3/7+5/7=8/7=1 1/7
Zad.2
O=2 3/4dm+3 2/3dm+2dm=2 9/12dm+3 8/12dm+2dm=5 17/12dm+2dm=7 17/12dm=8 5/12dm
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Odpowiedź:
Zad.1
1 5/7*(4 3/4-4 2/4)+5/7=1 5/7*1/4+5/7=3/7+5/7=8/7=1 1/7
Zad.2
O=2 3/4dm+3 2/3dm+2dm=2 9/12dm+3 8/12dm+2dm=5 17/12dm+2dm=7 17/12dm=8 5/12dm