1) Resolva as adições e subtrações:
a) 7,48 - 4,3=
b) 43- 7, 64
c) - 3/4+(-7/8)=
d) 3/5+0,44=
e) 21/3-(-18/9)=
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ajudaaaaaaaaaaa quero calculado
a) 7,48 - 4,3=
b) 43- 7, 64
c) - 3/4+(-7/8)=
d) 3/5+0,44=
e) 21/3-(-18/9)=
Socorrooooooooooooooo
ajudaaaaaaaaaaa quero calculado
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Verified answer
a) 7,48 - 4,3 = 3,18
b) 43 - 7,64 = 35,36
c) -3/4+(-7/8) = -3/4-7/8 = -6/8-7/8 = -11/8
d) 3/5+0,44 = 0,6+0,44 = 1,04
e) 21/3-(-18/9) = 21/3+18/9 = 63/9+18/9 = 81/9 = 9