在横线里填上“>”,“<”或“=”. 54070800000 5470800000 48万 480001487÷18 30 480×120 16×360780÷32 780÷320 6090600 6060900.
× = ×= × =1.
任何一个数(零除外)与它的倒数的乘积是1. .
和 互为倒数.
× =× =× =9× =1.
35× =0.5× =× =6÷ =1.