Question

a)0,5 + 1/4 × 1/3 =?
b)1/2 + 1/3 : 5/6=?
c)1/4 × 0,5 + 1/2
d) 15 : (3/4 - 1/4)
e)(3 + 1/2) × 4/5
me ajude por favor !
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Answer 1

nao sei....................