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1 vote
How to borrow if you can't subtract from the lowest number on top

How to borrow if you can't subtract from the lowest number on top-example-1
User SenseDeep
by
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2 Answers

2 votes
go to the number next to the one you cannot subtract from, take one away, and add a one in front of the number you cannot subtract from. e.g.
27 1(1)7 the answer would be 9
-8 -8


for your problem the answer would be 1109
User Truong Dang
by
8.3k points
5 votes
8 1
7898
- 6789
=====
1109 is your answer
And to borrow you just subtract from the number before it and add 10
User Nrutas
by
7.5k points

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