在〇里填上“＞”“＜”或“=”。
$850\times 2〇1600$
$9999\times 0〇9999$
$1000\times 9〇2000$
$89〇85\times 9$
$8504〇850\times 4$
$2700〇2700 + 700$
$58\times 7〇57\times 8$
$84\times 3〇384$
$125\times 8〇250$
$209\times 7〇200$
$3812〇58\times 2$
$1000〇10\times 200$
$306\times 9〇369$
$57\times 6〇570$
$2000\times 2〇1000$
$250\times 4〇2500$
$25\times 4〇100$
$80\times 2〇180$
$24\times 5〇100$

$180\div 30 + 120 =$
$540\div 60 + 12 =$
$500\times 40 =$
$600\div 50 + 99 =$
$120\div 40 + 59 =$
$260\div 13 + 45 =$
$120\div 40 =$
$5100\div 20 =$
$12\times 40 + 700 =$
$420\div 7\times 50 =$
$70\times 60\div 3 =$
$210\times 3 + 90 =$
$720\div 4 + 90 =$
$120\div 60\times 5 =$
$7\times 60\div 30 =$
$21\times 30 - 9 =$
$720\div 8 + 70 =$
$30\times 20\div 1 =$
$8100\div 9\div 3 =$
$720\div 8\times 6 =$

$3\div 10 =$
$3\div 100 =$
$0.3\div 10 =$
$3.42\times 100 =$
$0.83\times 10 =$
$0.009\times 100 =$
$15.8\div 10 =$
$72.3\div 100 =$
$128\div 10 =$
$4.7\times 100 =$
$6.35\times 1000 =$
$102.9\div 1000 =$
$40\div 100 =$
$0.2\div 10 =$
$12.5\div 1000 =$
$80.6\times 10 =$
$3.14\times 1000 =$
$2.7\times 100 =$
$7.8\div ( ) = 0.78$
$7.8\times ( ) = 780$