文档介绍：×=÷=×=÷=÷= ÷4= ×= 5÷=÷= ÷= 2=××13=×= ÷3=36×=÷=5÷6=÷5= ×18= ÷=26×= ×2= ×=÷=24÷=×= += ×=÷8= += ×15= +=×= 14×= 1÷= ÷4=×27=3-= -=÷= ×3= -= ×8= +3=6÷=0÷= ÷= 26×=÷= 125×8=6×= ×= ×=+6=×= ×4= -= ×=100÷=88÷= +=4×=12÷=25×4= 10÷= ÷4=×= ×60= ×= 12÷=×8= ×11 10÷= ×=÷= ×= ×=0×=6÷= ÷= 5×= ×=÷2= ×= 5-=÷1=12÷= 1÷= ×=28÷=0×= ×= -= ×=24×5=÷= ×=-=1-= 9÷=+= ×= 2+= ×3=×=×4= ÷= 5÷=÷= ÷=÷2= ×8=×= ÷5= 36×= ÷=12÷9= ÷5= ×18= ÷=38×= ÷3= ×= ×=12÷= ×= +=×=÷8=×=×15= ÷=×= 34×= 1÷= ÷4=5-= 1-= ×= ×15=÷3= -= ×8= +3=6÷0÷=÷=39×=×= ×3×4=×=÷5=0÷=-=×2=×4=4÷=12×=÷5=12×=×3=8÷=÷=×4=4÷=27÷=×=×=×50=×3=5÷=÷=×÷=÷42=×=×=4×=×14=÷=×8=÷=×=6×=÷4=×=÷5=0÷=-=×2=4÷=12×=×5=×=×=+=1-=+=-=+=-=+=-=÷= 18×= ×3=×=×= ÷= += ×=15÷12= ×12= ÷5= ×=28×= ×14= ×= ÷=24×= ÷= -= ÷=÷8= += ×=×= 2×= ×3=÷= ×= ×20= -= ×36= +=6×= ×= ÷= 2÷=33÷= ×=×4= ÷=×= ÷=-=+=-=720÷800=+=-=17×300=-=+=×=+=+=+=+=-=÷5=-=+=×100=-=2+=-=+=+=÷70=+3=+=÷25=+1=-=+=+=3+=÷9=-=-5=×9=-=-=+=1-=+=+=+4=4-=+=+=+=23×100=-=÷40=53÷100=+=×80=÷10=+=7×=×100=-=-=×10=10+=1-=×1000=+=+=×100=-=-=63÷100=-=+=80÷1000=+=-=0×=-=+=+=5+=1-=+=+=+=+=1-=8-=-=+=+=-=-=-=-=10+=-=+=+=-=1-=-=-=-=+=-=-=+=÷11=×10=×7=    ÷5=8×+3=×=+21=÷=÷=501-98=×=110÷100=×9=×10=125×7+125=×5=×7=÷=÷=+=480+199=63÷=4×=+=×7=10÷8=+=×8=÷=×3=×=100÷200=×=×=