问题
解答题
16×45+99×1001×086400÷120.
答案
(1)16×45+99×1001×0
=(10+6)×45+0,
=10×45+6×45+0,
=450+270+0,
=720;
(2)86400÷120
=86400÷(40×3),
=86400÷40÷3,
=2160÷3,
=720.
16×45+99×1001×086400÷120.
(1)16×45+99×1001×0
=(10+6)×45+0,
=10×45+6×45+0,
=450+270+0,
=720;
(2)86400÷120
=86400÷(40×3),
=86400÷40÷3,
=2160÷3,
=720.