Take multiples of 10 from 3 digits (blocks)
Subtracting a multiple of 10 from a 3-digit number, with base 10 blocks. Exchange from hundreds to tens needed.
Take multiples of 10 from 3 digits (blocks)
Subtracting a multiple of 10 from a 3-digit number, with base 10 blocks. Exchange from hundreds to tens needed.
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