Odpowiedź :
a) -21-8-15=-44
b) -68+155=87
c) -96-168=-264
d) -4-6=-10
e) 6-(-14+3)=6+11=17
b) -68+155=87
c) -96-168=-264
d) -4-6=-10
e) 6-(-14+3)=6+11=17
a) 7×(-3)-4×2+3×(-5)=-21-8-15=44
b) -17×4-31×(-5)=-68+155=87
c) 24×(-4)-56×3=-96-168=-264
d) 28÷(-7)-18÷3=-4-6=-10
e) 6-[7×(-2)-(2-5)]= 6-[-14+3]=6-[-11]=6+11=17
b) -17×4-31×(-5)=-68+155=87
c) 24×(-4)-56×3=-96-168=-264
d) 28÷(-7)-18÷3=-4-6=-10
e) 6-[7×(-2)-(2-5)]= 6-[-14+3]=6-[-11]=6+11=17