Oblicz:
1. -15+10:(-5)
2. 5*(-1)^{2} + (-2)^{3}
3. 1-\sqrt{25-9}
Proszę was żebyście zrobili to szybko daje 40 pkt.
1.
-15+10:(-5)=-15-2=-17
2.
2*(-1)²+(-2)³=2*1-8=2-8=-6
3.
1) -15+10:(-5)=-17
2)=2*1-8=-6
3)1-25/9=-400/225=-16/9
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1.
-15+10:(-5)=-15-2=-17
2.
2*(-1)²+(-2)³=2*1-8=2-8=-6
3.
1) -15+10:(-5)=-17
2)=2*1-8=-6
3)1-25/9=-400/225=-16/9