问题
填空题
|
答案
①80×
=20(厘米);1 4
②
÷1 4 2 5
=
×1 4 5 2
=
(吨);5 8
③140÷(1+
)2 5
=140÷7 5
=140×5 7
=100(千克);
④150×(1-
)2 3
=150×1 3
=50(米);
故答案为:20;
吨;100千克; 50.5 8
|
①80×
=20(厘米);1 4
②
÷1 4 2 5
=
×1 4 5 2
=
(吨);5 8
③140÷(1+
)2 5
=140÷7 5
=140×5 7
=100(千克);
④150×(1-
)2 3
=150×1 3
=50(米);
故答案为:20;
吨;100千克; 50.5 8