Răspuns :
a)15=3x5
24=2³x3
c.m.m.d.c.=3
15:3=5 de atatea ori se cuprinde 3 in 15
24:3=8 la fel
b)35=5x7
55=5x11
c.m.m.d.c.=5
35:5=7
55:5=11
c)24=2³x3
32=2⁵
c.m.m.d.c.=2³=8
24:8=3
32:8=4
d)450=2x3²x5²
900=2²x3²x5²
c.m.m.d.c.=2x3²x5²=450
450:450=1
900:450=2
e)21=3x7
26=2x13
c.m.m.d.c.=1
24=2³x3
c.m.m.d.c.=3
15:3=5 de atatea ori se cuprinde 3 in 15
24:3=8 la fel
b)35=5x7
55=5x11
c.m.m.d.c.=5
35:5=7
55:5=11
c)24=2³x3
32=2⁵
c.m.m.d.c.=2³=8
24:8=3
32:8=4
d)450=2x3²x5²
900=2²x3²x5²
c.m.m.d.c.=2x3²x5²=450
450:450=1
900:450=2
e)21=3x7
26=2x13
c.m.m.d.c.=1
a)15 si 24
15 = 3×5
24 = 2³×3
cmmdc al numerelor ( 15 , 24) = 3
15 : 3 = 5
24 : 3 = 8
b) 35 si 55
35 = 5 x 7
55 = 5 x 11
cmmdc al numerelor ( 35, 55) = 5
35 : 5 = 7
55 : 5 = 11
c) 24 si 32
24 = 2³×3
32 = 2⁵
cmmdc al numerelor ( 24, 32) = 2³=8
24 : 8 = 3
32 : 8 = 4
d) 450 si 900
450 = 2×3²×5²
900 = 2²×3²×5²
cmmdc al numerelor ( 450, 900) = 2×3²×5²= 450
450 : 450 = 1
900 : 450 = 2
e) 21 si 26
21 = 3×7
26 = 2×13
cmmdc ( 21, 26) = 1
15 = 3×5
24 = 2³×3
cmmdc al numerelor ( 15 , 24) = 3
15 : 3 = 5
24 : 3 = 8
b) 35 si 55
35 = 5 x 7
55 = 5 x 11
cmmdc al numerelor ( 35, 55) = 5
35 : 5 = 7
55 : 5 = 11
c) 24 si 32
24 = 2³×3
32 = 2⁵
cmmdc al numerelor ( 24, 32) = 2³=8
24 : 8 = 3
32 : 8 = 4
d) 450 si 900
450 = 2×3²×5²
900 = 2²×3²×5²
cmmdc al numerelor ( 450, 900) = 2×3²×5²= 450
450 : 450 = 1
900 : 450 = 2
e) 21 si 26
21 = 3×7
26 = 2×13
cmmdc ( 21, 26) = 1