Question

repede.
Dau coroana
vreau până maine 29 martie 2021​

Answer 1

A)
0,6•1intreg 1/7-7/9:(2-1/4)=
3/5•1/7-79:7/4=
3/35-7/9•4/7=
3/35-1/9•4=
3/35-4/9=
= -113/315
B)
(3intregi 8/9-1,5):(3intregi1/2+0,8)+2,(4)=
(35/9-3/2):(7/2+4/5)+12/5=
43/18:43/10+12/5=
43/18•10/43+12/5=
1/9•5+12/5=
5/9+12/5=
=133/45
C)
(3,2+5,13:9):3•71/100-0,(3)=
(3/2+0,57)•1/3•71/100-3/10=
(3/2+57/100)•1/3•71/100-3/10=
207/100•1/3•71/100-3/10=
69/100•71/100-3/10=
4899/10000-3/10=
=1899/1000