Question

Afla cel mai mic multiplu comun al numerelor:
a)4 si 6
b) 5 si 12
c)10 si 15
d)11 si 77
e)20 si 30
f)23 si 50
g)7 si 13
h)9 si 19
i) 11 si 12
Tot nu : 11= sa zicem 12....

Answer 1

4=2la2
6 =2×3
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c.m.m.m c=2la 2 ×3=12
5=5
12=2la2×3
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c.m.m.m.c.=2la2×3×5=60
10=2×5
15=3×5
_______
c.m.m.m.c.=3×2×5=30
11=11
77=7×11
______
c.m.m.m.c.=7×11=77
20=2la 2×5
30=3×2×5
______
c.m.m m.c=2la 2×5×3=60
23=2×13
50=2×5la 2
______
c.m.m.m.c=2×13×5la 2=650
7=7
13=13
______
c.m.m.m.c=7×13=91
9=3la 2
19=19
______
c.m.m.m.c=3×3×19=171
11=11
12=2la2×3
_____
c.m.m.m.c=11×2×2×3=132