问题
解答题
计算下列各题,能简算的要简算.
|
答案
(1)23+45-310,
=68-310,
=-242;
(2)118-(56+38),
=118-94,
=24;
(3)67-,
=67-1102,
=-1035;
(4)59+411+611+49,
=(59+411)+(611+49),
=470+660,
=1130.
计算下列各题,能简算的要简算.
|
(1)23+45-310,
=68-310,
=-242;
(2)118-(56+38),
=118-94,
=24;
(3)67-,
=67-1102,
=-1035;
(4)59+411+611+49,
=(59+411)+(611+49),
=470+660,
=1130.