...1)117和78 (2)26和189 (3)68和153 (4)54和351 (4)58和261 (5)93...答:(1)117=3*39,78=2*39.所以最大公因数为39.最小公倍数为234 以下简写:(2)26=2*13,189=7*3*3*3.最大公因数为1.最小公倍数为4914 (3)68=17*4,153=17*9, 17 ,612 (4)54=2*3*3*3,351=3*3*3*13, 27, 1053 (5)93=3*31,248=8*31, 31, 744 ...
趣味算式谁会填19答:351-74-268=9,351-74-269=8,351-78-264=9,351-78-269=4351-79-264=8,351-79-268=4,351-96-247=8,351-96-248=7351-97-246=8,351-97-248=6,351-98-246=7,351-98-247=6459-71-382=6,459-71-386=2,459-72-381=6,459-72-386=1459-76-381=2,459-76-382=1,459-81-372=6,459...