0.3= 2.060=
>>>
3的倍数:54
既是2的倍数又是3的倍数:6
①45×37+55×37
②102×46
③11.29-3.6+8.71-6.4
④2100÷25÷4
⑤72×125
⑥960÷[4×(504-489)]