NN

Người ta xếp 1000 khối lập phương nhỏ cạnh 1cm thành một khối lập phương lớn.Tính diện tích toàn phần của khối lập phương lớn

NT
16 tháng 2 2015 lúc 9:40

Thể tích 1 khối hình lập phương nhỏ là:x

         1x1x1=1(cm3)

Thế tích 1000 khối lập phương là:

           1x1000=1000(cm3)

Vì 1000=10x10x10 nên cạnh hình lập phương là 10 cm.

        Diện tích toàn phần hình lập phương là:

                  10x10x6=600(cm2)

          

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NT
28 tháng 2 2015 lúc 16:38

Đáp án:600cm2

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EU
5 tháng 2 2017 lúc 21:40

600cm2

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TM
12 tháng 2 2017 lúc 19:25

Là 600m2

Đúng 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000% luôn

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PD
22 tháng 2 2017 lúc 21:03

600cm2 là đúng

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NH
26 tháng 2 2017 lúc 18:24

600 đúng

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l
25 tháng 2 2019 lúc 17:44

600 cm2 là đúng

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l
25 tháng 2 2019 lúc 17:44

600 cm2 là đúng

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