12) 1-2+3-4+5-6+7-8+9-10
=>1-1-4+5-6+7-8+9-10
=>1-5+5-6+7-8+9-10
=>1-0-6+7-8+9-10
=>1-6+7-8+9-10
=>1-1-8+9-10
=>1-9+9-10
=>1-0-10
=>1-(-10)
=>-11
13) a) 30+(-25)+(-10)
=>30-25-10
=>30-(-35)
=>-65
Rosie siso...hope you got it...
Attachments:
Answers
Answered by
2
Answer:
answer of ques 13 is -65
Answered by
5
thank you siso for helping me
sis you are my soulmate
❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
Similar questions