bantuin ya sama caranyaaa plisss bantuin akuuu yaahhhhhhhhhh plissss aku kls 1 smp

1. 6 - (-10)
= 6 + 10
= 16

2. - 18 - 21
= - (18 + 21)
= - 39

3. 20 - 42
= - (42-20)
= - 22

4. -16 - (-13)
= -16 + 13
= -3

5. -15 - (-10)
= -15 + 10
= -5