Question

Please give me answers ​

Answer 1

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Step-by-step explanation:

• 90-20=70
• 20+40=60
• 70+10=80
• 50+30= 80
• 90+70=160
• 80+50=130
• 30+10=40
• 40+60=100
• 30+60=90
• 90+90=180
• 70+20=80

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(Hopes that helpful for you)

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Always keep smile on face this is my opinion

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