问题
解答题
简便计算.
8×13×12536×25463+799.
答案
(1)8×13×125,
=8×125×13,
=1000×13,
=13000;
(2)36×25,
=4×9×25,
=4×25×9,
=100×9,
=900;
(3)463+799,
=463+(800-1),
=463+800-1,
=1263-1,
=1262.
简便计算.
8×13×12536×25463+799.
(1)8×13×125,
=8×125×13,
=1000×13,
=13000;
(2)36×25,
=4×9×25,
=4×25×9,
=100×9,
=900;
(3)463+799,
=463+(800-1),
=463+800-1,
=1263-1,
=1262.