Question

17. 15-4-5+4(2)+2=
18. 25-12-4(3)-2(-3)=
19.25÷4(2)=
20. (-30)-4+4(2)-(-3)=
21. (-3-5-9)-4+(-2)+12=
22. -(-4)-2+8-(-2)+6=
23. -35-6-(-9-7+5)-7+3(-2)=
24. +35-3-(4-2)-3(-3)=

Answer 1

Respuesta:

17: 16

18: 7

19 :12,5

20: -23

21: -11

22: 18

23: -61

24: 39