a) 3,6 + (-7,9) = 3,6 - 7,9 = -4,3
b) 5,4 + 9,7 = 15,1
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Verified answer
a) 3,6 + (-7,9) = 3,6 - 7,9 = -4,3
b) 5,4 + 9,7 = 15,1
B)5,4+9,7=15,1