问题
解答题
|
答案
(1)189÷9+16×8,
=21+128,
=149;
(2)23×32+68×23,
=23×(32+68),
=23×100,
=2300;
(3)138×25×4,
=138×(25×4),
=138×100,
=13800;
(4)(168-18)×(32+18),
=150×50,
=7500;
(5)23000÷125÷8,
=23000÷(125×8),
=23000÷1000,
=23;
(6)199×47+47,
=(199+1)×47,
=200×47,
=9400.