问题 解答题

213-135÷9

26×4-112÷8

68×19+32×19

34×25×40

632-89-232

(56+21)×(96÷8).

答案

(1)213-135÷9,

=213-15,

=198;

(2)26×4-112÷8,

=104-14,

=90;

(3)68×19+32×19,

=(68+32)×19,

=100×19,

=1900;

(4)34×25×40,

=34×(25×40),

=34×1000,

=34000;

(5)632-89-232,

=632-232-89,

=400-89,

=311;

(6)(56+21)×(96÷8),

=77×12,

=924.

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