问题 解答题
234-380+16664×12516×25
18×32+18×6873-15+27-853000÷125÷8.
答案

(1)234-380+166,

=234+166-380,

=400-380,

=20;

(2)64×125

=125×8×8,

=1000×8,

=8000;

(3)16×25

=25×4×4,

=100×4,

=400;

(4)18×32+18×68

=(32+68)×18,

=100×18,

=1800;

(5)73-15+27-85

=(73+27)-(15+85),

=100-100,

=0;

(6)3000÷125÷8

=3000÷(125×8),

=3000÷1000,

=3.

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