# Take four 9s and make another 9 using addition.subtraction,multiplicationor division.which operation cannot be done last?

• Take four 9s and make another 9 using addition.subtraction,multiplicationor division.which operation cannot be done last?

Order of Operations ... (off by 9!) One last example for advanced students, ... (Even though subtraction is usually done in the last step, ...
Positive: 85 %
Addition Tips and Tricks . Here are lots of "thinking tricks" you can use to make addition easier. ... so take 1 from the 7: 9 + 1 + 6
Positive: 82 %

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Date Arithmetic If you're ... returning the last day of the next month if the date in A1 is a ... gives 9/25/96. Generally, you cannot subtract two dates ...
Positive: 85 %
... and the next. This can be very good if not done ... Another very important goal of mathematics education as a whole ... Addition & subtraction ...
Positive: 80 %
Decimals worksheets from comparing ... Decimals Decimal Addition & Subtraction Decimal ... the 9 and the 3 as in 69.3 to make the ...