Mathematics, 11.06.2021 14:00 lusan4u
a pile of blocks has 40 blocks in the bottom row 36 blocks in the second row 32 blocks in the third row and so on until there are only 4 blocks on the top row how many blocks are there in 7th row? how many blocks are there in all
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a pile of blocks has 40 blocks in the bottom row 36 blocks in the second row 32 blocks in the third...
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