Răspuns :
a = 9×8-70+(7+13)
a = 9×8-70+20
a = 72-70+20
a = 2+20
a = 22
b = 10×10
b = 100
b - a = 100-22 = 78
b × a = 100×22 = 2200
Sper că te-am ajutat! :))
Răspuns:
b-a=10×10-9×8-70+(7+13)
10×10=100
9×8-70+(7+13)=9×8-70+20=72-70+20=2+20=22
b-a=100-22
b-a=78
b×a=100×22
b×a=2200