问题 解答题
计算竞技场.

(18+32)×7=
2000-245×6=54÷9×38=
8×(456-168)=(702-298)×4=124×(32÷8)=
答案

(1)(18+32)×7,

=50×7,

=350;

(2)2000-245×6,

=2000-1470,

=530;

(3)54÷9×38,

=6×38,

=228;

(4)8×(456-168),

=8×288,

=2304;

(5)(702-298)×4,

=404×4,

=1616;

(6)124×(32÷8),

=124×4,

=496.

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