Explicație pas cu pas:
a)
b)
c)
d)
e)
f)
g)
h)4,5-(4,5-3)=4,5-1,5=3
i)-7,7-(-2,8)-9=-7,7+2,8-9=-4,9-9=-13,9
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Explicație pas cu pas:
a)
b)
c)
d)
e)
f)
g)
h)4,5-(4,5-3)=4,5-1,5=3
i)-7,7-(-2,8)-9=-7,7+2,8-9=-4,9-9=-13,9