Question

Façam essa conta com os calculos...


B) 15-(3-2)+(7-4)


C) 25-(8-5+3)-(12-5-8)


D) 18-[2+(7-3-8)-10]


E) -4+[-3+(5+9-2)]



Pls me ajudem

Answer 1

b)15-3-2+7-4
8-2+7-4
6+3= 9


c)25-8-5+3-12-5-8
17-8-12-5-8
9-12-5-8
-3-5-8
-8-8= -16


d)18-[2+(7-3-8)-10]
18-[2+-4-10]
18-[-2-10]
18-12=4




E) -4+[-3+(5+9-2)]
-4+[-3+12]
-4+9= +5

Espero ter te ajudado!