直接写出得数。                                                                                                                                      

13+6＝	38﹣8＝	90﹣50＝	32+6＝
16﹣9＝	66﹣60＝	30+9＝	7+6﹣4＝
9+10+20＝	17﹣9+8＝	30+6﹣5＝	5+50＝