Mathematics, 06.05.2020 03:43 kenna0

Example on worksheet (subtracting by adding up)
50-29?
29+20=49
49+1=50
20+1=21
50-29=21
My question is where did the 20 come from? can you help me understand this?

Answers: 3

Show answers

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Example on worksheet (subtracting by adding up)
50-29?
29+20=49
49+1=50
20+1...

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More questions: Mathematics Another questions

Example on worksheet (subtracting by adding up) 50-29? 29+20=49 49+1=50 20+1=21 50-29=21 My question is where did the 20 come from? can you help me understand this?

Answers

Another question on Mathematics

Example on worksheet (subtracting by adding up)
50-29?
29+20=49
49+1=50
20+1=21
50-29=21
My question is where did the 20 come from? can you help me understand this?