问题 解答题
用你喜欢的方法计算.
25×125×438×10127×[(263+37)÷50]34×72+34×28.
答案

(1)25×125×4,

=(25×4)×125,

=100×125,

=12500;

(2)38×101,

=38×(100+1),

=38×100+38×1,

=3800+38,

=3838;

(3)27×[(263+37)÷50],

=27×[300÷50],

=27×6,

=162;

(4)34×72+34×28,

=34×(72+28),

=34×100,

=3400.

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