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60x900=13x600=8000-3000=90093二0^460=
2.5+
0.2二200x8=30x90=45x2=50-24=450x20=280370=23x30=12x40=
0.7—
0.5二
3.8—
2.4=50x90=11x600=8000-3000=900-3=25x100=200x8=30x90=30x330=450x20=210x30=70x16=
0.9—
0.3二30=3x900=
0.9—
0.5二75三3=
3.7—
0.3=7x14=4x15=25x4二48+40=8+85二78+5=7=14x70=51《3二240x3=60x900=927^9=32x30=70x20=25x40=60x400=30x21=230x3=35x6=25x400=14x70=11x600=
5.2—
4.1=32x30=70x20=125x8=400x20=60x400=30x21=88:22=60x15=35x6=36x40=70x16=40x50=
0.2+
0.6二60x9=43x2=70-30=400x20=0-460=125x32=88:22=45x2=60x15=28070=4x700=40x50=15x60=40x50=900^3=70x20=23x30=12x40=21x4=360:60=22x30=170+90=67x4二48x9=45=420^35^2=6x85=22x8x5=480+290=61272=3x90=468+197=25X32=4804-80=230x3=210X20=600X8=3204-80=23X300=12x5=120x60=4207二25x100=270《30=540-90=120^4=13x7=6x201=420XX20=2400940=6967=360-85=25x32=69^23=12x5二930:30=360+140=32+15二6x80=98X9=5104-30=60x15二600X0=210X3=9104-70=30X310=420^70=35x6=80*75^3=4x700=14x70=400^80=490:70=17x5=2500950=3600^60=125x6=720^45^2=4575=67+25二6300930=23x3=1800《30=28x7=470070=125X32=240X40=450x20=450+50=20X34=4804-20=120X20=230x3=210x30=90:30=125x8=70x13=500x8=16x5二900:30=4x60=16x5=87《3=48x25=48x125=782=710—420=690—420=800x30=880—20=40x60=729+302=240-80=4204-30=140x50=110X40=260—60=8004-50=40X220=400:80=490:70=17x5=25004-50=36004-60=125X6=7204-454-2=454-15=67+25二630030=23X3=18004-30=28X7=47004-10=23x3=24x20=48T6=14x2=40x30=27+32=6600:600=310—70=20x420=680+270=20x48=180x500=300x330二17x5=7500:500=640-80=9H30二100-54=2004-40=28^2=32X125=843=430-180=570-280=29x3=15x10=270《30=36H4=180:30=19x4=45X6=35X4=60X80=205+195=630^7=12x11=84^21=55^5=20+43=6877=630^452二6X55二23X8X5=290+4700=5800-800=4500X0=76^9=32x6=8+47=320:8=25X36=9223二16X5=6304-70=24x5二120x2=66J7=70004-70=81-3=160x300=4504-18=67+35=57004-30=27X3=600X30=50X600=410X20=200X70=99X5二3004-50=13X300=40X800=210X4=60X900=450H-10=562=987二30X200=630970=60X50=400X20=3X230=3X900=40X200二18X400=200H-40=12X300=120X30=43X201=96:24=44X25二7014二3204-80=900X70=45090=280X0=45X99=410X20=600:30=7804-60=120924=8704-30=3204-64=1804-20=4X110=40X110=400X11=49X25X8=200X5=20X500=200X50=04-56=280+40=28020二3004-50=201X34=3004-60=1004-20=24030=10X460=9104-70=100X50=3X120=20X500=4004-50=125X16=32X200=420;60=72090=50X60=240X20=5604-80=31X300=110X50=5104-30=4904-70=36040=40X75=120+480=96080=5404-90=50X200=210X3040X25=35x6=280970=210x30=60x900=23x30=25x400=4x700=70x16=36x40=12x40=14x70二40x50=500x8=128x80=240x3=80x20=15x60=12x5二420《70=230x3二60x15二450x20二40x50=120x60=35x6二210x30=60x900=900:3=4203二80*9030二210x4二70x20=25x100=75-3=125x8=25x40=23x30=270:30=4x700=70x13=32x40=12x40=540990=14x70=500x8=420:70=21x4=1204=16x5=72080=360-60=13x7=900《30=32x30=22x30=6x201=4x60=4500我00=170+90=420020=16X5=32X20=67X4=2400:40=873=25X16二48X9=6963=48X25=7804-20=72-45=360-85=48X125二35X8=4204-354-2=25X32=782=45X12=6X85=694-23=710-420=50X90=22X8X5=12X5=690—420=102+284=480+290=9304-30=800X30=21004-70=6124-12=360+140=8804-20=45X14=3X90=32+15=40X60=32X20=468+197二6X80=729+302=45-18=640980=15x5=480^80=48*6476=393=16x5=27x3=90-15=32x3=12x8=27x5=5674=24^8=83—45=560:80=96:24=40^20=37+26二76-39=30x23=12x8=48+27=450x2=73+15=120x600=800-400=28+27=4x25=60*40x14=470+180=100925=240X0=35x2=8100:300=702=7600-400=8076=420XX30=6x1300=13x5=930—660二530+280=5674=240^6=94^47二1600-1000=200x160=6000+300=210x2=5571=180-90=9600:80=320940=240:60=600—20二5x90=。