问题
解答题
(63+21×103)÷53.
答案
(63+21×103)÷53,
=(21×3+21×103)÷53,
=21×(3+103)÷53,
=21×106÷53,
=21×(106÷53),
=21×2,
=42.
(63+21×103)÷53.
(63+21×103)÷53,
=(21×3+21×103)÷53,
=21×(3+103)÷53,
=21×106÷53,
=21×(106÷53),
=21×2,
=42.