Question

Resolva as operações
1/5+3/10-8/15=
2/9+7/6-1/3=
4 1/5+3 3/10=
5 2/3+10 1/3=
7 1/2-5 1/4=​

Answer 1

Resposta:

Explicação passo a passo:

1/5 + 3/10 -8/15=

6/30 + 9/30 - 16/30=

15/30 -16/30=

-1/30

2/9 +7/6 -1/3 =

4/18 +21/18 - 6/18 =

25/18 - 6/18=

19/18

4 1/5 + 3 3/10=

(20+1/5) + (30+3/10)=

21/5 +33/10=

42/10 +33/10=

75/10

5 2/3 + 10 1/3 =

(15+2/3) + (30+1/3)=

17/3 + 31/3 =

48/3=

16

7 1/2 - 5 1/4 =

(14+1/2) - (20+1/4)=

15/2 - 21/4 =

30/4 -21/4 =

9/4