Question

Alguem para me ajudar?

Answer 1

a) (-7)° +3¹- 4¹= 1+3-4= 4-4=0

b) 2°+1/4
_______=
1/3-2°

1+1/4
___=
1/3-1

4+1/4=
_____
1-3/3

5/4÷(-2/3)=

5/4×(-3/2)=

-15/8

c)3+1¹/3¹+7°=

3+1/3+1=

4/4=

1