问题
解答题
脱式计算
|
答案
(1)861×(24+51),
=861×75,
=64575;
(2)2000-45×24+96,
=2000-1080+96,
=920+96,
=1016;
(3)300+88×12-1048,
=300+1056-1048,
=1356-1048,
=308;
(4)1000-(763+75×3),
=1000-(763+225),
=1000-988,
12;
脱式计算
|
(1)861×(24+51),
=861×75,
=64575;
(2)2000-45×24+96,
=2000-1080+96,
=920+96,
=1016;
(3)300+88×12-1048,
=300+1056-1048,
=1356-1048,
=308;
(4)1000-(763+75×3),
=1000-(763+225),
=1000-988,
12;