问题
填空题
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答案
(1)68厘米-9厘米=59厘米;
(2)2时=120分;
(3)2米=20分米;
(4)7分=420秒;
(5)6000千克=6吨;
(6)3千米=3000米.
故答案为:59,120,20,420,6,3000.
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(1)68厘米-9厘米=59厘米;
(2)2时=120分;
(3)2米=20分米;
(4)7分=420秒;
(5)6000千克=6吨;
(6)3千米=3000米.
故答案为:59,120,20,420,6,3000.