=0.75×4/3×9/ 16

=9/ 13

(2) 48 in 35+09, 13+35, 22 in 19, 13.

=(48/35+22/35)× 19/ 13

=2× 19/ 13

=38/ 13

(3) (3/5-65438+2/05) ÷ (1+/5/2 of kloc-0/2)

=7/ 15× 12/ 1 1

=28/55

(4)[2-(2-5 ^ 2)]×5/8

=2/5×5/8

= 1/4

(5) 13 ÷ [( 1+3 copies 1) × 3 copies]

= 13÷4/3×3/4

= 13

(6) (0.8+ 1) × 5/4.

=0.8×5/4+ 1/ 125×5/4

= 1+ 1/ 100

= 1.0 1