问题 解答题
用你喜欢的方法计算.
25×29×4598×101125×48
430-240÷20×7530×[840÷(240-100)].
答案

(1)25×29×4,

=(25×4)×29,

=100×29,

=2900;

(2)598×101,

=598×(100+1),

=598×100+598×1,

=59800+598,

=60398;

(3)125×48,

=(125×8)×6,

=1000×8,

=8000;

(4)430-240÷20×7,

=430-12×7,

=430-84,

=346;

(5)530×[840÷(240-100)],

=530×[840÷140],

=530×6,

=3180.

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