Question

1. Adicione ou Subtraia.Faça a operação inversa para verificar as respostas.

a) 3,251 b) 17,324 c) 84,032 d) 4,629 e) 28,63 f) 10,003 g) 0,14
+8,960 - 9,166 - 8,263 + 0,576 + 14,97 - 6,897 + 0,986

h) 7,285 i) 15,194
- 5,019 - 8,017

Answer 1

a) 3,251+ 8,960= 12,211
12,211- 8,960= 3,251.
b)17,324- 9,166= 8,158.
8,158+ 9,166= 17,324.
c)84,032- 8,263= 75,769.
75,769+8,263= 84,032.
d)4,629+0,576= 5,205.
5,205- 0,576= 4,629.
e)28,63+14,97= 43,6.
43,6- 14,97= 28,63.
f)10,003- 6,897= 3,106.
3,106+ 6,897= 10,003.
g)0,14+ 0,986= 1,126.
1,126- 0,986= 0,14.