Question

Resolva as expressões:
A)2,5X : (5X)=      E)-(-1)-()²
B)3²-32+7²=                            F)(1-)+(1+)=
C)(-9+3)²+15=
D)3²+=

Answer 1

Resolva as expressões:
A)2,5X : (5X)= ?????

E)-(-1)-()²???????

B)3²-32+7²=
  
   3² - 32 + 7² =
3x3 - 32 + 7x7 =
    9 - 32 + 49 =
    9 + 49 - 32 =
          58 - 32 = 26

F)(1-)+(1+)= ??????


C)(-9+3)²+15=
     (-6)²   + 15 =
    (+6x6) + 15 = 
         36  + 15 = 51
   
D)3²+=???????