Question

ex:4 va rog frumos dau coroană si 55 de puncte

Answer 1

[(5/2+5/4-3/4):5+2/5]⁵=
[(12/4):5+2/5]⁵=
(3/5+2/5)⁵=
(5/5)⁵=
1⁵=
1  (a)


(2¹/₃+3¹/₂):7/12-[3¹/₃:1/3-3:3/10+3/2:(1/2)²=
(7/3+7/2):7/12-(10/3:1/3-3:3/10+3/2:1/4)=
35/6*12/7-(10/3*3-3*10/3+3/2*4)=
5x2-(10-10+6)=
10-6=
4 (b)

1∠4 (unu mai mic decat 4)