14. a)1.25×7.17×0.8=
=8.9625×0.8
=7.17
b)8.5×1.33×2.4
= 11.305×2.4
= 27.132
c)0.25×19.35×0.4=
=0.25×0.4×19.35
=0.1×19.35
=1.935
15. a) 8.3×9.7=
=80.51
80.51~81
b) 1.2×4.5=
=5.4
5.4~5
c) 0.9×25.3=
=22.77
22.77~23
~ - semnul de rotunjire
Sper ca te-am ajutat...coronita?