Resposta:

Determine o mmc pelo processo prático.

a) 9 e 30

M (9) = { 9, 18, 27, 36, 45, 54, 63, 72, 81, 90...}

M (30) = { 30, 60, 90, 120, 150, 180, 210, 240, 270, 300...}

b) 12 e 16

M (12) = { 12, 24, 36, 48, 60, 72, 84, 96, 108, 120...}

M (16) = { 16, 32, 48, 64, 80, 96, 112, 128, 144, 160...}

c) 10 e 15

M (10) = { 10, 20, 30, 40, 50, 60, 70, 80, 90, 100...}

M (15) = { 15, 30, 45, 60, 75, 90, 105, 120, 135, 150...}

d) 20 e 90

M (20) = { 20, 40, 60, 80, 100, 120, 140, 160, 180, 200...}

M (9) = { 90, 180, 270, 360, 450, 540, 630, 720, 810, 900...}

e) 4, 25 e 100

M (4,25) = { 4,25; 8,50; 12,75; 17; 21,25; 25,50; 29,75; 34; 38,25; 42,5...}

M (100) = { 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000...}

f) 8, 140 e 172

M (8,140) = { 8,140; 16,28; 24,42; 32,47; 40,70; 48,84; 56,98; 65,12; 73,26; 81,40...}

M (172) = { 172, 344, 516, 688, 860, 1.032, 1.204, 1.376, 1.548, 1.720, 1.892...}