问题 解答题
计算,怎样简便就怎样计算.
25×36×4135×99203-135÷5
97-12×6+4349×99+495620÷(562×5)
175+25÷25+15125×32×2537+125+63+175.
答案

(1)25×36×4,

=25×4×36,

=100×36,

=3600;

(2)135×99,

=135×(100-1),

=135×100-135×1,

=13500-135,

=13365;

(3)203-135÷5,

=203-27,

=176;

(4)97-12×6+43,

=97-72+43,

=25+43,

=68;

(5)49×99+49,

=49×(99+1),

=49×100,

=4900;

(6)5620÷(562×5),

=5620÷562÷5,

=10÷5,

=2;

(7)175+25÷25+15,

=175+1+15,

=176+15,

=191;

(8)125×32×25,

=125×32×25,

=125×(8×4)×25,

=(125×8)×(4×25),

=1000×100,

=100000;

(9)37+125+63+175,

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

=100+300,

=400.

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