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
3000÷125÷858×72+28×58688-(534-112)
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)688-534+112,

=688+112-534,

=800-534,

=266;

(5)8×(29×l25),

=8×125×29,

=1000×29,

=29000;

(6)156×l0l-156,

=156×(101-1),

=156×100,

=15600;

(7)3000÷125÷8,

=3000÷(125×8),

=3000÷1000,

=3;

(8)58×72+28×58,

=58×(72+28),

=58×100,

=5800;

(9)688-(534-112),

=688-422,

=266.

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