括号填数练习题

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1、25+()=50()+16=2534-()=10()-15=6071-()=2563-()=940+()=5236+()=82()+41=5070-()=16()-35=2470-()=2572-()=18()+35=9065-()=8()-35=5071-()=968-()=8()+13=5051-()=22()-21=5051-()=734-()=5()-25=2040-()=896-()=3666+()=80()+3=2574-()=881-()=763-()=4()+15=4536-()=7()-10=4130+()=6583-()=96+()=50(

2、)+9=7054-()=6()-28=4034-()=7()+65=9043-()=20()-53=346-()=670-()=7()+25=936+()=3656-()=30()-7=2360-()=836-()=840+()=76()+58=6860-()=6()-36=740-()=1555-()=824+()=30()+17=2536-()=10()-18=6875-()=2574-()=850+()=7835+()=40()+21=3674-()=4()-30=2565-()=2555-()=18()+23=6325-()=8()-23=5077-(

3、)=954-()=6()+20=5060-()=2()-41=2058-()=933-()=5()-35=1060-()=878-()=3058+()=98()+7=2565-()=663+()=82()+29=7368-()=18()-65=2080-()=5672-()=1865+()=80()+18=2568-()=10()-8=9080-()=2372-()=920+()=82()+26=9038-()=9()-65=2080-()=826-()=1834+()=80()+13=2548-()=8()-18=5070-()=663-()=9()+26=

4、9698-()=78()-28=5150-()=770-()=574+()=8030-()=1525+()=60()+27=3232-()=23()-23=6080-()=762-()=8()+10=7825-()=78()-20=5134-()=7()+65=9069-()=19()-35=2556-()=5670-()=1536+()=40()+20=936-()=20()-8=4580-()=956-()=750+()=89()+34=7058-()=6()-36=4530-()=1254-()=7