Question

Tolong dongg jelasinn caranya gmnaa nmr 7-8 iniii._.

Answer 1

Nomer 7
=(2 2/3 : 1 2/3) - 4 1/5
=(8/3 : 5/3) - 21/5
=(8/3 x 3/5) -  21/5  ket 3 dan 3 di coret
= 8/5  - 21/5
= (8 -21)/5
=   - 13/5
= -  2 2/5

jawaban no 8
7/2 + (16/3 : 8/5)
= 7/2 + (16/3 x 5/8)    <--8 dan 16 coret di sederhanakan
= 7/2 +  10/3
=( 7+10)/6
= 17/6
=  3 1/6