问题 解答题
(1)72+28×108(2)36×64-64+64×65(3)24×125×7
(4)25×(24+8)×125(5)402×[494÷(102-83)](6)908-8×(73-46)
答案

(1)72+28×108,

=72+3024,

=3096;

(2)36×64-64+64×65,

=(36-1+65)×64,

=100×64,

=6400,;

(3)24×125×7,

=3×8×125×7,

=(3×7)×(8×125),

=21×1000,

=21000;

(4)25×(24+8)×125,

=25×32×125,

=25×4×8×125,

=(25×4)×(8×125),

=100×1000,

=100000;

(5)402×[494÷(102-83)],

=402×[494÷19],

=402×26,

=10452;

(6)908-8×(73-46),

=908-8×27,

=908-216,

=692.

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