Question

hallar el m.c. m de a) 12 y18 b)30 y 45 c) 20y 16 d) 98 y 54 e)140y80 f) 324 y 180 g)84y90

Answer 1

a)
12 - 18 | 2
6 - 9 | 2
3 - 9 | 3
1 - 3 | 3
1 - 1 |

2 x 2 x 3 x 3 = 36

b)
30 - 45 | 2
15 - 45 | 3
5 - 15 | 3
1 - 5 | 5
1 - 1 |

2 x 3 x 3 x 5 = 90

c)
20 - 16 | 2
10 - 8 | 2
5 - 4 | 2
5 - 2 | 2
5 - 1 | 5
1 - 1 |

2 x 2 x 2 x 2 x 5 = 80

d)
98 - 54 | 2
49 - 27 | 3
49 - 9 | 3
49 - 3 | 3
49 - 1 | 7
7 - 1 | 7
1 - 1 |

2 x 3 x 3 x 3 x 7 x 7 = 2646


e)
140 - 80 | 2
70 - 40 | 2
35 - 20 | 2
35 - 10 | 2
35 - 5 | 5
7 - 5 | 5
7 - 1 | 7
1 - 1 |

2 x 2 x 2 x 2 x 5 x 5 x 7 = 560

f)
324 - 180 | 2
162 - 90 | 2
81 - 45 | 3
27 - 15 | 3
9 - 5 | 3
3 - 5 | 3
1 - 5 | 5
1 - 1 |

2 x 2 x 3 x 3 x 3 x 3 x 5 = 1620

g)
84 - 90 | 2
42 - 45 | 2
21 - 45 | 3
7 - 15 | 3
7 - 5 | 5
7 - 1 | 7
1 - 1 |

2 x 2 x 3 x 3 x 5 x 7 = 1260


Espero te ayude...♡