问题
解答题
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答案
(1)324+67+76,
=324+76+67,
=400+67,
=467;
(2)34×27+66×27,
=(34+66)×27,
=100×27,
=2700;
(3)99×52+52,
=(99+1)×52,
=100×52,
=5200.
|
(1)324+67+76,
=324+76+67,
=400+67,
=467;
(2)34×27+66×27,
=(34+66)×27,
=100×27,
=2700;
(3)99×52+52,
=(99+1)×52,
=100×52,
=5200.