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Earn +20 ptsQ: What kind of addition signs are there?
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How many addition signs should be put between the digits of the number 987654321 and where should they be put to get a total of 99?
9+8+7+65+4+3+2+1 = 99. So 7 addition signs need to go in 987654321 to get a total of 99.
What kind of math expression is 5 plus 13?
addition.
Where should addition signs be placed between digits of the number 987654321 to get a total of 90?
io dont know
Write a problem involving the addition or multiplication of two integers with different signs?
"What is 3*(-5)" would be such a problem.
How many addition signs should be put between the digits of the number 987654321 to get a total of 99?
9 + 8 + 7 + 65 + 4 + 3 + 2 + 1 = 99, so 7 plus signs.
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