Объяснение:
1)(-2)+(+5)-4*(-3)+(-7)*(-1)=
= -2+5+12+7=22
2)-3-(-5)+(-6)*(+3)-(-6)+(-7)=
= -3+5-18+6-7= -17
3)-24*(+3)-(+8)*(-2)+(-1)*(-3)=
= -72+16+3= -53
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Объяснение:
1)(-2)+(+5)-4*(-3)+(-7)*(-1)=
= -2+5+12+7=22
2)-3-(-5)+(-6)*(+3)-(-6)+(-7)=
= -3+5-18+6-7= -17
3)-24*(+3)-(+8)*(-2)+(-1)*(-3)=
= -72+16+3= -53