五年级下册数学口算训练的第12片、13片、14片、15片、16片的答案
4个回答

10 15 18 20 25 26 30 32 35 40 42 45 55 58 60 70 78 84 85 94 95 100 105 112 125 130 150 180

3的倍数有(15,30,42,45,60,78,84,105,150,180)

5的倍数有(10,15,20,25,30,35,40,45,55,60,70,85,95,100,105,125,130,150,180)

2的倍数有(10,18,20,26,30,32,40,42,58,60,70,78,84,94,100,112,130,150,180)

既是2的倍数,又是5的倍数有(10,20,30,40,60,70,100,130,150,180)

既是2的倍数,又是3的倍数有(18,30,42,60,78,84,150,180)

既是3的倍数,又是5的倍数有(15,30,45,60,105,150,180)

既是2和5的倍数,又是3的倍数有(30,60,150,180)