28cm=2.8dm 20cm=2dm
11.76 除 2.8 除 2 =2.1(dm)
2.1dm=21cm
25cm < 28cm 16cm < 20cm 18cm < 2.1cm
答:能够装下.
28cm=2.8dm 20cm=2dm
11.76 除 2.8 除 2 =2.1(dm)
2.1dm=21cm
25cm < 28cm 16cm < 20cm 18cm < 2.1cm
答:能够装下.
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