问题
解答题
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答案
(1)201×24,
=(200+1)×24,
=200×24+1×24,
=4800+24,
=4824;
(2)125×(7×8),
=125×8×7,
=1000×7,
=7000;
(3)24×7×5×6,
=(24×5)×(7×6),
=120×42,
=5040.
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(1)201×24,
=(200+1)×24,
=200×24+1×24,
=4800+24,
=4824;
(2)125×(7×8),
=125×8×7,
=1000×7,
=7000;
(3)24×7×5×6,
=(24×5)×(7×6),
=120×42,
=5040.