Question

pls answer this
it maths basic question​

Answer 1

Answer:

a) +

b) +

c) -

d -

Step-by-step explanation:

mark me brilliant

Answer 2

Step-by-step explanation:

+ + = + (because in the symbol of + there are two lines, intersecting each other so two + means total four lines and four is an even number so + + is +)

– – = + (because in the symbol of – there is only one line so two – means total two lines and two is an even number so – – = +)

+ – = – (because in the symbol of + there are two lines and in the symbol of – there is one line so there are total of three lines, so + – = –)

– + = – (because in the symbol of – there is one line and in the symbol of + there are two lines so – + = –)