2017 ~ 2018学年度一年级下学期计算竞赛检测题
班级_______ 姓名_______ 分数_______
一、直接写得数(0.5×110+1×24=79´)
18-10= 9+70= 8+72= 45+30= 20+62=
50+40= 25-5= 17-7= 14-5= 19-8=
75-50= 86+2= 5+8= 9+7= 12-3=
9+4= 13-7= 39-6= 62+8= 35+4=
13-9= 10+50= 86-70= 74-60= 57+2=
16-2= 9+9= 54-6= 55-20= 75+2=
48+2= 81-60= 25+9= 78-40= 45-6=
60-30= 39+8= 37-9= 17-4= 5+31=
56+8= 53-4= 14-9= 8+7= 22+40=
30+5= 65+8= 25+50= 68+5= 82-6=
28-8= 43-7= 33-4= 43+20= 7+70=
43+2= 37-4= 24+8= 12-4= 11-6=
50-3= 39+5= 3+34= 98-8= 57-20=
39-5= 5+26= 6+14= 7+35= 78-70=
75-40= 84-4= 60+26= 29-6= 60+36=
38-6= 25+7= 73-4= 37-5= 20+60=
76+10= 65-5= 34-7= 27-8= 70+21=
24+8= 48+40= 93-3= 63-8= 28-7=
66+30= 5+47= 13+70= 26-8= 59-30=
20+7= 95+4= 59+2= 30+50= 69-6=
89-8= 13-6= 48+20= 20+6= 20+70=
60-2= 40-40= 34-7= 7+6= 25+6=
9角-2角= 5元+8元= 6角+1元2角= 2元+3元5角=
24+30+5= 26+3+8= 7+53-10= 14-7+5=
73+20-3= 12-6+8= 34+8+50= 13-9+9=
8+8+8= 63-30+5= 5+8-8= 59-9-20=