新人教版一年级下册数学小括号口算
赞美雪的诗句-2014高考数学
小括号口算题
姓名: 年级:
10+(25+5)= 35 +(15-9)=
20+(30-8)=
50-(2+5)= 64-(13+7)=
38+(27-20)=
9+(30+17)= 17+(60-30)=
28+(28-8)=
39+(70-60)=
12+(49-9)=
65-(20-10)=
49+(19-10)=
25-(14-8)=
10+(20-8)=
32-(17-10)=
23+(55-50)=
91-(51+9)=
80-(37-7)=
40+(6+7)=
60-(13-9)=
60-(10-9)=
80-(10+50)=
20+(53-40)=
35-(4+5)=
89-(90-30)=
41-(10-1)=
1+(45+5)=
24+(33-3)=
66+(2+7)=
50+(40-30)=
14+(15-8)=
7+(8+9)=
24+(9-6)=
20+(2+8)=
10+(18+5)=