怎样简便就怎样算。(1)45×97+45×3(2)483-154-46(3)68×103(4)9.63-2.74+0.37-2.26(5)65.8-(15.8-6.9)(6)125×16×5-四年级数
(3)原式=68×(100+3) =6800+204 =7004
题目简介
怎样简便就怎样算。(1)45×97+45×3(2)483-154-46(3)68×103(4)9.63-2.74+0.37-2.26(5)65.8-(15.8-6.9)(6)125×16×5-四年级数
题目详情
答案
= 45×100
= 4500
= 483-200
=283
(3)原式=68×(100+3)
=6800+204
=7004
=10-5
=5
=50+6.9
=56.9
=1000×2×5
=10000