Question

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a) 68+11*205   68*11+205

b) 89*11+715   89+11*715

Answer 1

a) 68 + 11 x 205 .... 68 x 11 + 205

=       2323 > 953

Vậy 68 + 11 x 205 > 68 x 11 + 205

b) 89 x 11 + 715 .... 89 + 11 x 715

=     1694  < 7954

Vậy 89 x 11 + 715 < 89 + 11 x 715

Answer 2

a) 68+11*205>68*11+205

b)89*11+715<89+11*715