Question

ajutor!! primele 3 puncte pls urgeeent!!!!!!!!!!!!!!!!!

Answer 1

1. $2-1.3- \frac{1}{2}=2- \frac{13}{10}- \frac{1}{2}= \frac{20-13-5}{10}= \frac{2}{10}= \frac{1}{5}$ ≈0.2
2. $1* \frac{1}{4}*1* \frac{1}{3} = \frac{1}{12}$ ≈0.0833333
3. $(2* \frac{1}{5}-0.4+ \frac{1}{45}):(1* \frac{1}{3}) ^{2} = (\frac{2}{5}- \frac{2}{5} + \frac{1}{45}):( \frac{1}{3}) ^{2}= \frac{1}{45} : \frac{1}{9}=\frac{1}{45} *9= \frac{1}{5}$ ≈0.2