addition
subtraction
100
579
What is 123 + 456
100
0
What is 0-0
200
213
What is 90 + 123
200
-13
What is 0-12
300
855
how much is 800+45+10
300
-9
What is 91-100
400
9666
What is 987+8679
400
-8
What is 11223344556677889-98877665544332211
500
7910
What is 1234+6676
500
-5555
What is 0-5555
M
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