39+35-40= 32-23+56= 17+48-37= 26+23+11= 12+15+19=
57+23-62=
57+23-48=57+23-72=
72-57+18=
72-57+48=
72-48+18=
100-28+35=
23+47-28=
28+24-16=
19+19-24=
22+28+21=
81-32+18=
21+19-8=
39+36-66=
65-39+26=
28+28-28=
34+47-15=
91-19-56=
70-17+38= 18+49+28= 22+49-22= 21-8+39=
66-27+19= 38+14+19=
29+27+26= 37-29+16= 45+55-22=
100-65=26=
100-39-45=
24+47-26=
88-66+49=
28+19+17=
56+26-39=
51-22+39=
液晶屏保护膜
73-37+38=
29+36-29=
30-13+68=
100-87+48=
66-39+47=
25-18+37=
100-55+45=
45+55-22= 100-65=26= 85-39+45= 24+47-26=
88-66+49= 28+19+17= 56+26-39= 67+27-45= 51-22+39=
73-37+38=
29+36-29=
30-13+68=
100-87+48=
66-39+47=
25-18+37=
100-55+45=
75-25+47=
55+19-48=
72+69-132=
55+76-48=
66+11-89=
15+26-9=
43+21-8=
〔6〕39+45-57=二、计算题
1.看谁算得又对又快.〔1〕78-50+9=
〔2〕72-2-30=〔3〕35+6-40=
〔4〕47+9-20=〔5〕17+3+15=〔6〕75-50+14=
〔7〕49+9-30=
〔8〕28+20-2=
〔9〕99-20+6=
〔10〕100-30-7=
〔11〕16+15-7=
〔12〕70-30+33=
〔13〕85-6-19=
〔14〕6+24-30=
发布任务
〔15〕75-20-30=
〔16〕62-5+7=
〔17〕64+6-40=
〔18〕18+18-20=
〔19〕85+8-12=
〔20〕75-15-20=
〔1〕85-39-28=
74-62-10= 71-36-10= 94-54+15= 68-38+7= 32-4-3= 45-22-11= 88-45+28= 89-33-3= 61-44-6=
77-54-14=
74-17-6=
57-33-1=
异形注塑模板76-71-3=
91-49-36=
89-60+13=
32-29-1=
84-66-17=
81-60-13=
49-38+5=
87+8+3=
22+46+25=
85+9+5=
80-14+1=
79+4+4=