带小括号的运算.docx

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带小括号的运算姓名：时间：做对了题（共48题）计算：63-(55-5)=80+(14+4)=30+(34-2)=94-(48+2)=72+(12-10)=87-(17-7)=87-(29+1)=40+(32-20)=50-(21+9)=8+(66+2)=73+(16-6)=77-(26+4)=67-(33+7)=58-(48-40)=49+(8-3)=96-(86-86)=5+(15+20)=36-(3-3)=40+(22-3)=42+(40+0)=66+(29+1)=92-(20+30)=53+(16-10)=30+(35-6)=50+(33-5)=46-(21-1)=78+(9+11)=87+(1+0)=20+(7+10)=57-(40-10)=10+(83-4)=55+(7+1)=52+(5+15)=62-(23+7)=30+(7+10)=54+(33+7)=54-(26-20)=30+(43-7)=89-(63+7)=56+(20-0)=60+(9+5)=52+(24-4)=76-(29+1)=30+(25-3)=93-(47-40)=79+(11-3)=89+(1+7)=34-(20+10)=