for group 1 subtracting what if your not subtracting a negative? you only showed your little saying of subtracting a neg is the same as adding a pos... but what if your subtracting a positive? then what?
for group 1 subtracting what if your not subtracting a negative? you only showed your little saying of subtracting a neg is the same as adding a pos... but what if your subtracting a positive? then what?
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