问题 解答题
168-52-48125×881300÷25÷437+125+63+17575×56-56×28
688-534+1128×(29×l25)156×l0l-156404×25.
答案

(1)168-52-48,

=168-(52+48),

=168-100,

=68;

(2)125×88,

=(125×8)×11,

=1000×11,

=11000;

(3)1300÷25÷4,

=1300÷(25×4),

=1300÷100,

=13;

(4)37+125+63+175,

=(37+63)+(175+125),

=100+300,

=400;

(5)75×56-56×28,

=(75-28)×56,

=47×56,

=2632;

(6)688-534+112,

=688+112-534,

=800-534,

=266;

(7)8×(29×l25),

=8×29×l25,

=8×l25×29,

=1000×29,

=29000;

(8)156×l0l-156,

=156×(l0l-1),

=156×100,

=15600;

(9)404×25,

=(400+4)×25,

=400×25+4×25,

=10000+100,

=10100.

单项选择题
单项选择题