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By the signs: 2+2(Add) 2-2(Subtract) +=add -=subtract
The calculator is the most common machine to add and subtract numbers. Computers are also very good at this and are adding and subtracting for us all the time.
wich one
it is important to learn how to add and subtract fractions because we can use it when a time comes , when we have our own business and others .
does how many mean add or subtract
words in the problem for example. add all together
addition, subtraction, multiplication, division.....
The answer depends on what you know and what you are trying to find.
The opposite of add is subtract.
it means to subtract
To find the larger side you add the 2 legs together, for the smaller sides you subtract the other 2 legs :)
Yes, those were first generation vacuum tube computers.