This is the worksheet I’m doing https://www.manhassetschools.org/cms/lib8/NY01913789/Centricity/Domain/710/Aim%2082%20Pd%209%20KEY.pdf
There are many like
1(10)+10-1=19
18+1=19
30-11=19
15+4=19
Hope this help!!
Answer:
18149.20
Step-by-step explanation:

Answer:
6) 9 7) 8 8) 7 9) 9
Step-by-step explanation: