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Mathematics, 05.09.2019 23:30 s6054682

3. find 6 x 9.
for each group of 9. add 1 ten and
subtract 1 one
for 6 groups of 9. add 6 tens and
subtract 6 ones
6 x 9=6 tens- _ ones
6 x 9=60-_
6×9=

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3. find 6 x 9.
for each group of 9. add 1 ten and
subtract 1 one
for 6 groups of 9. a...
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