Răspuns:
2.
a.2 /8 x 4=8/8
c.4/9+1/2=8/18+9/18=17/18
e.9/7x6/5-1/21x3/1=54/35-1/7=49/35
f.5/6:(1/3+1/2x3/1)=5/6:(1/3+3/2)=5/6:11/6=5/11
3.
c.200-0,173+25,2=199,827+25,2=225,027
e.6,2-0,2+62,7=6+62,7=68,7
f.390+0,039-15,21=374,829
4.
a.47,1-3,7=43,4
c.81,4-33,48=48,92
e.2,07-0,338=1,732
f. 1,01 +8=9,01
Sper că te-am ajutat!!!
