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9. Calculează:
a) 98° + 301' =
c) 129° +330' =
e) 89° -34° 45' =
g) 27°25'.3 =
i) 18°5'-8=
k) 37° : 2 =
b) 127° +1301' =
d) 127° - 334' =
f) 123°-93° 34' =
h) 11°17'.4 =
j) 117°15' : 3 =
1) 29°40' : 4 =
=


9 Calculeazăa 98 301 C 129 330 E 89 34 45 G 27253 I 1858k 37 2 B 127 1301 D 127 334 F 12393 34 H 11174 J 11715 3 1 2940 4 class=

Răspuns :

Răspuns:

Explicație pas cu pas:

a) 98° + 301' = 98°+5°+1' = 103°1'

c) 129° +330' = 129°+5°+30' = 134°30'

e) 89° -34°45' = 88°60'-34°45' = 54°15'

g) 27°25'·3 = 81°75' = 82°15'

i) 18°5'·8 = 144°40'

k) 37° : 2 = 18°30''

b) 127° +1301' = 127°+21°+41' = 148°41'

d) 127° - 334' = 127°-5°34' = 126°60'-5°34' = 121°26'

f) 123°-93°34' = 122°60'-93°34' = 29°26'

h) 11°17'·4 = 44°68' = 45°8'

j) 117°15' : 3 = 39°5'

l) 29°40' : 4 = 7°+(1°40'):4 = 7°+(60'+40'):4 = 7°25'

Răspuns:

a) 98° + 301' = 98° + 5° + 1' = 103°1'

b) 127° + 1301' = 127°+21°+41' = 148°41'

c) 129° + 330' = 129° + 5° + 30' = 134°30'

d) 127° - 334' = 127° - 5°34' = 126°60' - 5°34' = 121°26'

e) 89° - 34°45' = 88°60' - 34°45' = 54°15'

f) 123° - 93°34' = 122°60' - 93°34' = 29°26'

g) 27°25 • 3 = 81°75' = 82°15'

h) 11°17' • 4 = 44°68' = 45°8'

i) 18°5' • 8 = 144°40'

j) 117°15' : 3 = 39°5'

k) 37° : 2 = 18°30"

I) 29°40' : 4 = 7° + (1°40') : 4 = 7° + (60'+40') : 4 = 7°25'

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