问题
解答题
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答案
(1)125×56,
=125×(7×8),
=(125×8)×7,
=1000×7,
=7000;
(2)(145+246)÷(41-18),
=391÷23,
=17;
(3)108×75-75×8,
=(108-8)×75,
=100×75,
=7500;
(4)894-168-232,
=894-(168+232),
=894-400,
=494;
(5)159-12×30÷60,
=159-360÷60,
=159-6,
=153;
(6)37×101,
=37×(100+1),
=37×100+37×1,
=3700+37,
=3737.