问题
解答题
用简便的方法计算
125×5×84×32×2525×320250×16.
答案
125×5×8,
=125×8×5,
=1000×5,
=5000;
4×32×25,
=4×25×32,
=100×32,
=3200;
25×320,
=25×4×80,
=100×80,
=8000;
250×16,
=250×4×4,
=1000×4,
=4000.
用简便的方法计算
125×5×84×32×2525×320250×16.
125×5×8,
=125×8×5,
=1000×5,
=5000;
4×32×25,
=4×25×32,
=100×32,
=3200;
25×320,
=25×4×80,
=100×80,
=8000;
250×16,
=250×4×4,
=1000×4,
=4000.