Oblicz bez uzycia kalkulatora.
1.17 3/4 + 5 5/6=
2. 1,5 + 2,16=
3. 3 5/6 -1 1/2=
4. - 2 1/3 + 1 3/4=
5. 1 1/8 * ( -1 4/6)=
6. ( -1 5/15) : (- 16 /25)=
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1. 17 3/4 + 5 5/6= 17 9/12 + 5 10/12 = 23 7/12
2. 1,5 + 2,16= 1,50 + 2,16 = 3,66
3. 3 5/6 - 1 1/2 = 3 10/12 - 1 6/12 = 2 4/12
4. - 2 1/3 + 1 3/4 = -2 4/12 + 1 9/12 = -7/12
5. 1 1/8 * ( -1 4/6) = 9/8 * (-10/6) = 45/24 = -1 7/8
6. ( -1 5/15) : (- 16 /25) = -20/15 : (-16/25) = -20/15 * (-25/16) = 25/12 = 2 1/12
Mam nadzieję, że pomogłem :)