Răspuns :
Explicație pas cu pas:
2,5×11/10+(3×0,(3)-2×0,02)×4=
=25/10×11/10+(3×0 3/9-2×2/100)×4=
=275/100+(3×3/9-4/100)×4=
=275/100+(9/9-4/100)×4=
=275/100+(1-4/100)×4=
=275/100+4-16/100=
=275/100-16/100+4=
=259/100+4=
=2,59+4=
=6,59
Explicație pas cu pas:
2,5×11/10+(3×0,(3)-2×0,02)×4=
=25/10×11/10+(3×0 3/9-2×2/100)×4=
=275/100+(3×3/9-4/100)×4=
=275/100+(9/9-4/100)×4=
=275/100+(1-4/100)×4=
=275/100+4-16/100=
=275/100-16/100+4=
=259/100+4=
=2,59+4=
=6,59