Question

here is a maths question

give the answer step by step of the following
a). +987-(+600)
b).+987-(-600)
c).-987-(+600)
d).-987-(-600)​

Answer 1

Answer:

a) 387

b) 1587

c) - 1587

d) - 387

Answer 2

a) 987 - ( + 600 ). { because [ + × - = - ] }

987 - 600

387

b) 987 - ( - 600 ) { because [ - × - = + ] }

987 + 600

1587

c) - 987 - ( + 600 ). { because [ - × + = - ] }

- 987 - 600

- 1587.

d) - 987 - ( - 600 ). { because [ - × - = + ] }

- 987 + 600

- 387