=(14+3i) - (-12-7i) + (6+2i)
=14 + 3i +12 + 7i + 6 + 2i
=32 + 12i
Hello here is a solution:
Hello,
1 liter of water in normal conditions has a volume of 1dm^3=(1dm)^3=(10 cm)^3=10^3 cm^3=1000 cm^3
You can write a subtraction problem as a division problem by subtracting one of the addends from the sum, then your other addend would be the answer.
Example :
5 + 6 = 11
11 - 5 = 6