问题 解答题

[297-(62+85)]×14

672÷[(26-14)×8]

(725-235)÷14×23.

答案

(1)[297-(62+85)]×14

=[297-147]×14,

=150×14,

=2100;

(2)672÷[(26-14)×8]

=672÷[12×8],

=672÷96,

=7;

(3)(725-235)÷14×23

=490÷14×23,

=35×33,

=1155.

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