【答案】:
$130$,$101$,$100$;$130$,$101$,$100$;例子(答案不唯一)$660 ÷ 4 ÷ 3=55$,$660 ÷ 12=55$。
【解析】:
1. $780 ÷ 2 ÷ 3$
$=390 ÷ 3$
$= 130$;
$780 ÷ 6=130$;
$808 ÷ 4 ÷ 2$
$ = 202 ÷ 2$
$ = 101$;
$808 ÷ 8 = 101$;
$900 ÷ 3 ÷ 3$
$ = 300 ÷ 3$
$ = 100$;
$900 ÷ 9 = 100$;
仿照著寫一組:
$660÷ 4 ÷ 3= 330 ÷ 3 = 55$;
$660 ÷ 12=55$;