问题
解答题
计算,能简算的要简算
(1)49×99+49
(2)(125×25)×8.
答案
(1)49×99+49
=49×(99+1)
=49×100
=4900;
(2)(125×25)×8
=125×8×25
=1000×25
=25000.
计算,能简算的要简算
(1)49×99+49
(2)(125×25)×8.
(1)49×99+49
=49×(99+1)
=49×100
=4900;
(2)(125×25)×8
=125×8×25
=1000×25
=25000.