Resposta:
a) 5²=25cm²
b)6.5=30cm²
c)(6.4)÷2=12cm²
d)3.4,5=13,5cm²
e)3,5.2,5=8,75cm²
f)(8.5)÷2=20cm²
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Resposta:
a) 5²=25cm²
b)6.5=30cm²
c)(6.4)÷2=12cm²
d)3.4,5=13,5cm²
e)3,5.2,5=8,75cm²
f)(8.5)÷2=20cm²