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3 You can write a subtraction problem as an addition
problem by adding the opposite of the number. For
example, 1-5=1+(-5). Write each of the
following subtraction problems as addition problems.
Then evaluate to find the difference.
a. 5-8
b. -9-(-7)
C. -3-8
d. -1-(-4)
PLS HELP
Sagot :
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