早教吧 育儿知识 作业答案 考试题库 百科 知识分享

脱式计算.(友情提醒:有的可以简算)800-608÷32×53.68-3.6×0.2+0.1848×9.9+48×0.1(1-34)÷0.25×4(6-6×23)÷12.

题目详情
脱式计算.(友情提醒:有的可以简算)
800-608÷32×5 3.68-3.6×0.2+0.18 48×9.9+48×0.1
(1-
3
4
)÷0.25×4
(6-6×
2
3
)÷12.
▼优质解答
答案和解析
(1)800-608÷32×5,
=800-19×5,
=800-95,
=705;

(2)3.68-3.6×0.2+0.18,
=3.68-0.72+0.18,
=2.96+0.18,
=3.14;

(3)48×9.9+48×0.1,
=48×(9.9+0.1),
=48×10,
=480;

(4)(1-
3
4
)÷0.25×4,
=0.25÷0.25×4,
=1×4,
=4;

(5)(6-6×
2
3
)÷12,
=(6-4)÷12,
=2÷12,
=
1
6