直接写得数。 90-8= 46+8= 17-9= 9+35= 78-40= 80-8= 40+6= 28+9= 8+36= 60-5= 46-4= 56-7=

14-5=	12-3=	13-5=	11-4=
14-9=	12-9=	13-8=	11-7=

20+5= 34+30= 46-8= 70+23=

56-8= 56+4= 20+40= 37+8=

38+6= 100-40= 95+5= 90- 9=

34- 8= 46+40= 20+80= 47+7=

76-6+20= 98-90+6= 26-6+9= 25+5-7=

38- 27+14= 56-6+14= 63- 40+7= 49+7-20=

8+11= 98-4= 48+5= 36-6=

14-5= 23+50= 54-7= 80-60=

80-3= 6+24= 64+3= 15-8=

16-8= 40+2= 15-6+7= 7+10-9=

78-8= 16-9= 17-9+8= 12-5-4=

12-9= 17-8= 14-4-2= 3+9-5=

60+7= 20+9= 87-7= 55-50=