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Q: 2 and 7 10 plus 5 and 3 10?

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That would be 18+n. 5+3+2 = 5+3+n 10 = 8 + n 10-8 = n 2 = n and if you substitute 2 for n then you see that 5+3+2 = 5+3+2

3 + 5 + 6 + 9 + 2 + 1 + 10 = 36

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2/5 + 3/10 = 4/10 + 3/10 = 7/10

1/5 + 3/10 = 2/10 + 3/10 = 5/10 = 1/2

3/5 + 2/10 = 6/10 + 2/10 = 8/10 = 4/5.

30. 2+3+5=10, 4+6=10, and 2+4+1+1+2=10.

-5-3-2 is -10-2-(-3)-4 is -3so -10-3 is -13!

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11 + 7 + 5 + 4 + 3 + 3 + 3 + 2 + 2 + 2 = ?First, group things in groups of tens (or twenties).(11 + 5 + 4) + (7 + 3) + (3 + 3 + 2 + 2) + 2 = ?20 + 10 + 10 + 2 = ?30 + 12 = ?42 = ?So your answer is 42.

3/5

-3

1 + 30 + 2 + 3 + 5 + 6 + 10 + 15 = 72

25+20+10+5+4+3+2=69Math:25+20=45 | 25+20+10+5+4+3+245+10=55 | 25+20+10+5+4+3+255+5=60 | 25+20+10+5+4+3+260+4=64 | 25+20+10+5+4+3+23+2=5 | 25+20+10+5+4+3+264+5=69

3/5 + 2/4 = 6/10 + 5/10 = 11/10

1/5 + 3/10 = 2/10 + 3/10 = 5/10 = 1/2

4-5+6+2-10= -3

1/5 + 3/10 =2/10 + 3/10 = 5/10 = ½

If 2 + 3 = 5 = 10(base 5), then 9 + 7 = 16 = 31(base 5).

The answer is 1/2 plus 3/10 = 4/5 in its simplest form

-2 Same as plus 3 minus 5. If you don't believe it, Put +10 in front and take it away afterwards : 10-5+3-10 is 8-10 is -2. If you keep the sign in front of each number, then you can switch around: (-5)+(+3) is (+3)+(-5) is (-2)

You have an operator missing between the 3 and 2. Putting the 4 standard operators in, these are the answers: 7 + 8 - 3 + 2 - 5 + 10 = 19 7 + 8 - 3 - 2 - 5 + 10 = 15 7 + 8 - 3 x 2 - 5 + 10 = 14 7 + 8 - 3 ÷ 2 - 5 + 10 = 18.5

3/5 + 9/10 = 6/10 + 9/10 = 15/10 = 3/2 or 11/2

9/10 + 3/5 = 9/10 + 6/10 = 15/10 = 3/2 or 11/2

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