a) 0,473×100-1,47×10=
=47,3-14,7=32,6
b) 3,24×0,2-0,4×1,5=
=0,648-0,6=
=0.148
c)0,0012×10^4-0,0021×10^3=
=0,0012×10000-0,0021×1000=
=12-2,1=9,9
e)7,1×10^4-2,04×10^3=
=7,1×10000-2,04×1000=
=71,000-2,400=
=68.6
f)4,3×10^2-0,17×10=
=4,3×100-0,17×10=
=430-1.7=
=428.3
Sper ca te-am ajutat, coroana?