Question

90+10-10

Ai tk minh minh tk lai

Answer 1

90+10-10=(90+10)-10=100-10=90

Answer 2

90 + 10 - 10 

100 - 10 

90

Answer 3

90+10-10

=90

k nha!!!

Answer 4

 90+10-10

90

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ai tk minh minh tk lai

Answer 5

100-10+90

Answer 6

90 dễ quá

Answer 7

bằng 90