1. 2 1/5+4,2+0,8= 2. 2 1/4+0,6+50℅= 3. 1 1/8+0,4+30℅= mohon bantuannya ya

[tex] \frac{11}{5} = 2.2 \\ 2.2 + 4.2 + 0.8 = 7.2[/tex]
2.
[tex] \frac{9}{4} = 2.25 \\ 2.25 + 0.6 + 0.50 = 3.35[/tex]
3.
[tex] \frac{9}{8} = 1.125 \\ 1.125 + 0.4 + 0.30 = 1.825[/tex]
maaf kalau salah