Cube Counting Help

[ggy]

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I'm not sure how they arrived at the correct answers.

And just to clarify, there are 10 cubes total, right?

 

[FeralisExtremum]

I remember this one...I never could figure it out and I always chalked it up to a fluke question because technically you can't have floating (unsupported) cubes like that in cube counting anyway.

 

[ggy]

So even though you cannot see the "back cubes" on the second row, you still assume they are there?

 

[KoonS]

I'm not sure how they arrived at the correct answers.

And just to clarify, there are 10 cubes total, right?

I see 12 cubes