问题
解答题
简便计算.
8×37×125
4×(78×25)
33×125×8×2.
答案
(1)8×37×125,
=(8×125)×37,
=1000×37,
=37000;
(2)4×(78×25),
=(4×25)×78,
=100×78,
=7800;
(3)33×125×8×2,
=(33×2)×(125×8),
=66×1000,
=66000.
简便计算.
8×37×125
4×(78×25)
33×125×8×2.
(1)8×37×125,
=(8×125)×37,
=1000×37,
=37000;
(2)4×(78×25),
=(4×25)×78,
=100×78,
=7800;
(3)33×125×8×2,
=(33×2)×(125×8),
=66×1000,
=66000.