prosze pomóżcie
2 2/3 :(1 7/9+2 2/15)=
1 4/5 :(8 13/25- 1,5)=
2 2/3 : (1 7/9 + 2 2/15) =
= 8/3 : (16/9 + 32/15) =
= 8/3 : (80/45 + 96/45) =
= 8/3 : 176/45 =
= 8/3 * 45/176 =
= 15/22
1 4/5 : (8 13/25 - 1,5) =
= 9/5 : (213/25 - 15/10) =
= 9/5 : (213/25 - 3/2) =
= 9/5 : (426/50 - 75/50) =
= 9/5 : 351/50 =
= 9/5 * 50/351 =
= 10/39
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2 2/3 : (1 7/9 + 2 2/15) =
= 8/3 : (16/9 + 32/15) =
= 8/3 : (80/45 + 96/45) =
= 8/3 : 176/45 =
= 8/3 * 45/176 =
= 15/22
1 4/5 : (8 13/25 - 1,5) =
= 9/5 : (213/25 - 15/10) =
= 9/5 : (213/25 - 3/2) =
= 9/5 : (426/50 - 75/50) =
= 9/5 : 351/50 =
= 9/5 * 50/351 =
= 10/39