a)( 2×2,2+1,44:0,3)+1,0(02)= // transformam in fractii
(2/1×22/10+144/100:3/10)+1 intreg si 2/990=
(44/10+144/100×10/3)+992/990=
(44/10+48/10)+992/990=
92/10+992/990=
9108/990+992/990=10100/990=1010/99=10,(20)
b)0,018:0,9×0,(3)=
18/1000:9/10×3/9=
18/1000×10/9×3/9=
2/100×1/3=2/300=0,00(6)