Question

Calculati
a)31grade 40'29"+24grade 24'37"
b)118grade27'35"+36grade27'18"
c)90grade-17grade55'56"
d)142grade-72grade34'56"

Answer 1

a)31grade 40'29"+24grade 24'37"=(31 grade+24 grade)+(40`+24`)+(29"+37")=
=55 grade 64`66"=56 grade 5`6"
b)118grade27'35"+36grade27'18"=(118grade+36grade)+(27`+27`)+(35"+18")=
=154 grade54`53"
c)90grade-17grade55'56"=(89grade-17grade)+(59-55`)+(60"-17")=72grade4`43"
d)142grade-72grade34'56"=(141grade-72grade)+(59`-34`)+(60"-56")=69grade25`4"

Answer 2

a)56grade1 4 minute 06  secunde
b)154grade 54 minute 53 secunde
c)72 grade 05minute 06secunde
d)69 grade 26 minute 04 secunde