Question

плиз помогите 649!!!!!!!!!!!​

Answer 1

Пошаговое объяснение:

1)

(2 1/3)^2-4/9=(7/3)^2-4/9=49/9-4/9=

=45/9=5

2)

(1 1/2)^3+5/8=(3/2)^3+5/8=27/8+5/8=

=32/8=4

3)

3 5/9+(2/3)^2=32/9+4/9=36/9=4

4)

(1/2)^4+3 1/4=1/16+13/4=1/16+52/16=

=53/16=3 5/16

5)

7 2/5-(2/5)^2=37/5-4/25=185/25-4/25=

=181/25=7 6/25

6)

9-(1 1/3)^2=9-(4/3)^2=9-16/9=81/9-16/9=

=65/9=7 2/9