Oblicz:
2,75+2/7= (2,75 plus dwie siódme)
0,125-1/9= (0,125 minus jedna dziwiąta)
3 1/3-3,3= ( trzy i jedna trzecia minus 3,3)
1 1/5-0,09= (jeden i jedna piąta minus 0,09)
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Oblicz:
2,75+2/7= (2,75 plus dwie siódme)
= 2i 3/4 +2/7 =
= 11/4 +2/7 =
= 77/28 + 8/28=
= 85/28=
=3 i 1/28
0,125-1/9= (0,125 minus jedna dziwiąta)
= 1/8 - 1/9 =
= 9/72 - 8/72 =
= 1/72
3 1/3-3,3= ( trzy i jedna trzecia minus 3,3)
= 10/3 - 33/10 =
= 100/30 - 99/30 =
= 1/30
1 1/5-0,09= (jeden i jedna piąta minus 0,09)
= 6/5 - 9/100 =
= 120/100 - 9/100 =
= 111/100 =
= 1,11