Matematică, întrebare adresată de gradinariuruben65, 8 ani în urmă

7 Calculati: a)12 grade 13 minute ×3 b)15 grade 28 minute 30 secunde ×4 c)58 grade 130 secunde ×4 d)25 grade 12 minute 43 secunde ×2 e)3 grade 58 minute ×16 f)125 de grade ÷2 g)18 grade 33 minute ÷4 h)15 grade 49 minute 18 secunde ÷2 i)24 grade 38 minute 10 secunde ÷5 j)17 grade 32 minute ÷2 Va rooooog dau coroana Promit Cine raspunde primul acela va primi coroana

Răspunsuri la întrebare

Răspuns de andreutsa10
6

a) 12 grade 13 minute  x3=36 grade 39 minute

b) 15 grade 28 minute 30 secunde  x4= 60 grade 112 minute  120 secunde=

61 de grade 54 minute si 0 secunde

c) 58 grade 130 secunde  x4=  232 grade  520 secunde=232 grade  8 minute 40 secunde

d) 25 grade 12 minute 43 secunde x 2= 50 grade 24 minute 86 secunde= 50 grade 25 minute 26 secunde

e) 3 grade  58 minute  x16=48 grade  928 minute=63 de grade 28 minute

f) 125 grade :2= 62 de grade 30 minute

g)18 grade 33 minute :4= 4 grade (2x60+33):4 minute= 4 grade  38 minute (60:4) secunde= 4 grade 38 minute 15 secunde

h) 15 grade 49 minute 18 secunde ÷2= 7 grade (60+49):2 minute  18 secunde= 7 grade 54 minute (60+18):2 secunde= 7 grade  54 minute  39 secunde

i)24 grade 38 minute 10 secunde ÷5=4 grade (4x60+38):5 minute  10 secunde= 4 grade 47 minute (3x60+10):5 secunde= 4 grade 47 minute 14 secunde

j)17 grade 32 minute ÷2=8 grade (60+32):2 secunde= 6 grade 46 secunde


gradinariuruben65: Ms
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