问题 解答题
怎样简便就怎样算;
168-52-48125×881300÷25÷4
688-534+1128×(29×l25)156×l0l-156.
答案

(1)168-52-48,

=168-(52+48),

=168-100,

=68;

(2)125×88,

=125×(8×11),

=(125×8)×11,

=1000×11,

=11000;

(3)1300÷25÷4,

=1300÷(25×4),

=1300÷100,

=13;

(4)688-534+112,

=154+112,

=266;

(5)8×(29×l25),

=9×(8×125),

=9×1000,

=9000;

(6)156×l0l-156,

=156×(l0l-1),

=156×100,

=15600.

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