求下面每组数的最大公因数和最小公倍数 (1)32和24 12和18 72和48 (2)78和39 15和20 60和18
推荐回答(4个)
(1) 第一组 32和24 最大公因数为8,最小公倍数为64.
第二组 12和18 最大公因数为6,最小公倍数为36.
第三组 72和48 最大公因数为16,最小公倍数为144.
(2)第一组 78和39 最大公因数为39,最小公倍数为78.
第二组 15和20 最大公因数为5,最小公倍数为60.
第三组 60和18 最大公因数为6,最小公倍数为180.
(1)32和24 最大公因数8 最小公倍数96
12和18 最大公因数6 最小公倍数36
72和48 最大公因数24 最小公倍数144
(2)78和39最大公因数39 最小公倍数78
15和20最大公因数5 最小公倍数60
60和18最大公因数6 最小公倍数180
祝你好运
(32、24)=2x2x2 [32、24]=2x2x2x4x3 (12、18)=2x3 [12、18]=2x3x2x3 (72、48)=2x2x2x3 [72、48]=2x2x2x3x3x2 (78、39)=3x13[78、39]=3x13x2x1 (15、20)=5 [15、20]=5x3x4(60、18)=2x3 [60、18]=2x3x10x3
32和24 最大公因数=8 最小公倍数=96
12和18 最大公因数=6 最小公倍数=36
72和48 最大公因数=24 最小公倍数=144
78和39 最大公因数=39 最小公倍数=78
15和20 最大公因数=5 最小公倍数=60
60和18 最大公因数=6 最小公倍数=180
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