Question

salut , rezultatul urmatoarelor rxercitii rapid:

1) (-3)× (-5)-12
2) 7-(-9)+5-(-4)
3) 14-(-24)+3×9
4) -5-(-6)+12
5) -42:3-13×3

Answer 1

1) (-3)×(-5)-12=15-12=3;
2) 7-(-9)+5-(-4)=16+9=25;
3) 14-(-24)+3×9=38+27=65;
4) -5-(-6)+12=1+12=13;
5) -42:3-13×3=-14-39=-53:

Answer 2

1)(-3)×(-5)-12= 15-12= 3 2)7-(-9)+5-(-4)= 7+9+5+4= 25 3)14-(-24)+3×9= 14+24+27= 38+27= 65 4)-5-(-6)+12= -5+6+12= 1+12= 13 5)-42:3-13×3= -14-39= -53