Question

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Answer 1

1) -389-37= -418

2) 426-820= -394

3) 99999-(-919-10) = 99999+929 = 100 928

4) (9999-999) - 99 = 9000-99=8901

5) 10000-(1206-(-572))= 10000-1778= 8222

6) 357-(152-(-348)=357-500= -143