Question

Exercise 1.1
Work these out.
a 5 + -3
Work these out.
a 2.8 + -1.3​

Answer 1

Answer:

1. 2
2. 1.5

.....................

Answer 2

Answer:

$5 + ( - 3) \\ = 5 - 3 \\ = 2$

$2.8 + ( - 1.3) \\ = 2.8 - 1.3 \\ 1.5$

Step-by-step explanation:

understand :-

+ (×) - = -

- (×) + = -

+ (×) + = +

- (×) - = +

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