问题
解答题
简便计算.
7846-(2846+152)
318+426+682
85000÷125
1503-998.
答案
(1)7846-(2846+152)
=7846-2846-152,
=5000-152,
=4848;
(2)318+426+682
=318+682+426,
=1000+426,
=1426;
(3)85000÷125
=(85000×8)÷(125×8),
=85000÷1000×8,
=680;
(4)1503-998
=1503-1000+2,
=503+2,
=505.