“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】45+15×6=250÷5×8=6×5÷2×4=30×3+8=400÷4+20=10+12÷3=0(80÷20+80)÷4=70+(100-10×5)=360÷40=40×20=80-25=70+45=90×2=16×6=300×6=540÷9=30×20=400÷4=350-80=160+70=18-64÷8=42÷6+20=40-5×7=80+60÷3=41+18÷2=75-11×5=.42+7-29=5600÷80=25×16=120×25=36×11=1025÷25=336+70=25×9×4=200-33×3=3020-1010=12×50=25×8=23×11=125÷25=4200-2200=220+80=20×8×5=600-3×200=20+20÷2=35-25÷5=36+8-40=2800÷40=98÷14=96÷24=56÷14=65÷13=75÷15=120÷24=200÷25=800÷16=840÷21=560÷14=390÷13=600÷15=32×30=22×30=6×201=17×5=4×60=4500÷900=170+90=4800÷40=14×201=80÷16=4200÷20=2500÷50=16×5=32×20=67×4=2400÷40=3600÷60=87÷3=25×16=48×9=696÷3=125×6=48×25=780÷20=72-45=362-85=720÷45÷2=3000+200=48×125=35×8=80-24=420÷35÷2=25×32=45÷15=78÷2=45×12=6×85=69÷23=67+25=210÷70=710-420=50×90=22×8×5=12×5=6300÷30=690－420=102+284=480+290=930÷30=23×3=800×30=2100÷70=612÷12=360+140=1800÷30=880÷20=45×14=3×90=32+15=28×7=40×60=32×20=468+197=6×80=80÷20=“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】 “奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】4700÷10=729+302=45－18=2400÷20=25×6×4=25×28=15×6=125×48=125×16=15+22=102×34=4500÷45=25×40=490÷35÷2=360÷45÷2=35×18=264+198=2800÷25÷4=45×22=521-305=3500÷25÷2=25+340=5600÷16=67+28=240÷40=35×18=75×19+75=41－23=45×22=45×6=375+99=7000÷70=45+45=624－198=9600÷30=630÷90=720÷9÷4=320×2=50×50=33×6×5=12×40=26×20=62+18=560÷35÷2=25×4=254+99=45×12=750-570=50÷7=69÷2.3=57+19=60÷60=70×60=91-28=58+79+42=80×5×6=90-25=35×35+65×35=125×80=44-15=1800÷90=125×16=97+18=10×24=45×14=26+14=81÷27=123+259+741+477=95×46+46×5=102×34=749+5036+251=99×99+99=614－402=4×50=20×2=725-76-24=125×24=360÷24=1036-155-245=865×99+865=67×9+67=655+777+345=25×9×4×7=1814-378-422=398+558+442=1800÷5÷2=22×6×5=870-232-168=6.40÷16=7200÷45÷2=7365-3999=1800÷36=35×14=302×783×0=264×8=5.76×9=3875×0=1.854×0×100=937×4=285×4=134×3=125×8=25×4=300×52=5×42=1.35×9=15×8=125×4=8.456×1000=21×8=32×0.1=572×8=372×0=17.3×10=1.5×80=36.52007×0=384÷4=88.8÷7459.2÷37=384÷3.2=73÷9=18.46÷10=46.8÷39=14.6÷0.2=50÷2=“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】 “奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】10÷3=78÷4=24.5÷14=49.5÷3=153÷0=462÷5=3.74÷10=3×0.5＝0.7×4＝2.1×3＝5.2×4＝1.1×8＝9×0.8＝1.5×2＝0.2×5＝0.7×0.8＝2.5×0.4＝2.3×0.3＝0.05×2＝1.7×0.5＝1.25×0.8＝2.7÷9＝0.12×3＝3.6÷12＝0.68÷4＝6.5÷13＝10.5÷5＝0.35×2＝0.56÷14＝0.4×0.7＝0.64÷0.8＝0.23×3＝6.3÷0.7＝0.24＋0.36＝1－0.77＝3.5÷0.5＝0.48÷0.6＝0.77÷7＝0.54÷4＝0.25×4＝0.125×8＝0.5×4＝1.1×5＝3.5×2＝4.2÷2.1＝7.2÷0.8＝1÷0.125＝0.4×8＝1－0.63＝0.24+0.12+0.64＝1-0.28-0.52=0.5×0.2＝17×40＝100－63＝3.2＋1.68＝2.8×0.4＝14－7.4＝1.92÷0.04＝0.32×500＝0.65＋4.35＝10－5.4＝4÷20＝3.5×200＝1.5－0.06＝0.75÷15＝0.4×0.8＝4×0.25＝0.36＋1.54＝1.01×99＝420÷35＝25×12＝135÷0.5＝0.51÷17＝32.8＋19＝5.2÷1.3＝1.6×0.4＝4.9×0.7＝1÷5＝6÷12＝0.87－0.49＝0.02×0.1=      5.06x-4.07x=   a+0.4a=       12÷0.3=       4.6x+2.7x=1.7+0.43=     0.58a-0.47a=    1.5×0.4=       4.8x－3.1x=     1.25×0.2=12a－8.4a=      64.32÷16=      6x－4.9x=2.3×4＝ 3.25×0＝5.1b+11.9b=    1.23÷3=100×0.01=      3.4×0.07=       3x+4x=        0.42÷0.1=       4.3b－2.7b=7÷0.25=        5.1x+2.9x=       0.3×0.4=      5.4+1.4=         2.7x+3.6x=16÷1.6=       10x-3.7x=        0.98+1.82=     2.5x+4.3x=      0.05×0.8=6.05x-4.96x=   3.2÷1.6=       3.12÷0.5=       10×0.75=        5.6×0.1=x×x=         0.9÷0.01=       72.8÷0.8=       2.7b+5b=3.5×3=7.6b－4.3b=      4²= 2.5²=3.5t-t=     51×0.2=“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】 “奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】8a－3a=7b+b=4c-2c=0.12+3.4=10²＝1.2×3=2-0.8=10.7-5.7=0.52+0.08=2÷5=8×0.030.01×100=30×0.01=0×1.22=0.6×5=1.2-0.9=0.54÷0.6=0.26×0.3=1÷0.05=20×0.4=2.8+10.2=7-0.9=0.55+0.3=0.8+0.2=16÷0.4=0.14×5=2.5×4=15.3-10=3.3+7=6÷10=0.86+2.14=0.37+4=3.2÷0.8=0.45+0.55=6.4÷8=3.7－1.4=7.8－7.2=2.19＋9.1=10－0.89=0.6＋0.42=8.1－5.1=0.72-0.24=5×400=9.9+11.1=             187÷1000=1+3.89=0.081×10=75÷10=0.96÷0.8=4.5÷0.9﹦0.8×7＝1.5×7＝1.32×8＝0.7×8＝10.3×2＝5×0.6＝0.9×0.3＝3.5×0.2＝2.01×0＝10×0.05＝0.13×7＝.21×100＝0.7×4＝0.05×4＝4×0.3＝12.5×8＝0.4×50＝30×0.55＝2.6×3＝4.1×2＝7.5×0.1＝3.5×0.01=3.7+5.9=4.5-2.9=7.1-2.2=“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】1.25÷0.25＝0×9.8＝1.9+0.39＝4.8＋5.2＝0.5×0.4=4÷0.25=3 ÷4=8.1÷9=2.5×4＝6－0.025＝3.6+6.3=0.05×4=3.5×0＝0÷3.5=0.9×0.3=1×0.06＝9×0.5=1.25×8=2.6×3＝4.1×2=0.35×0.2=7.5×0.1＝0.9×0.3=1×0.06=9×0.5＝1.25×8=0.2×0.4=＝100-35.22＝2.5×0.4＝2.4×5＝0.22×4＝0.9－0.52＝3.99×1＝0×3.52＝2.5÷5＝8.4÷7=0.34÷17=2.5÷0.5=8.4÷0.7＝0.34÷0.17=30.4÷4=1.2×6＝0.72÷0.6＝2.6÷1.3=0.6×0.3＝0÷3.65=7.82÷1=0.001÷0.1＝1.4÷0.7＝3.6÷0.06＝5.6÷0.9＝5.6÷1.4＝0.48÷0.8＝4.4÷0.11＝4.2×3＝3.2×0.4＝“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】 “奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】0.3÷0.01＝4÷0.5＝5.1÷0.17＝0.28÷1.4＝0.9÷0.45＝9.6÷16＝1÷0.01＝0.01÷1＝7.5÷1.5＝0.81÷9＝3÷0.5＝10÷25＝4.8÷0.16＝0÷3.89＝3.52÷1＝37.2×99+37.2=6.4÷4﹦1.5÷0.3=1×0.4÷1×0.4=1.8×5﹦7.2÷0.9﹦25×4÷0.25×4=2.2×6﹦8.4÷0.4﹦9÷5－1.9÷5﹦2.5×4﹦25×3.3×0﹦2.5×4﹦0.3÷0.1﹦37.2×99＋37.2﹦4.5×2=7.8+0.22=2－0.64－0.36﹦3.4×0.4=12.6－0.9=2－1.64－0.36﹦1.2÷0.04=0.42÷7=1.25×3.3×0﹦0.9＋2.01=2.97÷100=20－3.7－7.3=6.3+7=                2.19＋9.1=5×0.75÷1.5×0.75=0.65×0.2=9.8-0.98=1-0.1×0.1=0.7+3=1.2×0.8=0.9×7+10.7=6.3÷0.021=1.5÷0.03=6.8-2.4÷3=5×0.7=0.43×5=3.6÷0.9-4=3.6-0.36=8.1-2.2=0.6÷0.3+0.5=6.8＋8.6=9.4×0.2=1.8÷0.9×0.5=2－1.08=8.8÷0.4=(1.6+0.5)÷5=43×0.01=3.72×0.2=0.7×8-0.6=99＋0.1﹦3.2-2=6×0.125×8=1.9×4﹦8.8÷0.11=4×1.2×0.25=0.125×81.8×40=2.5-3.6÷1.8=2.3÷0.1﹦8×5.1=12-0.05×4=4.2×3﹦2.01÷3=16-4.5-5.5=1.8÷0.3＝3.72÷4=13-0.5-4=1.1×0.7=2.32-0.4=1.9+5.1÷51=3.2×50=3.2×0.5=1×0.01÷0.1=1.25÷0.5=1.29÷3=7.2-1.2+6.7=7.5+2.5=10.1-2.4=10+0.01=4.9-1.9=6.3+2.4=5.8+7.6=0.2-0.03=10.71+4=3.7+5.9=4.5-2.9=7.1-2.2=10-2.41=2.4-0.8=3-1.04=6.13-2.15=6.5÷5=3.6-1.9=2.3+1.06=16.8-15.9=1.7×0.03=5.3-2.8=0.22×4=6.03+4.12=4.2-1.3=24×5=1.6×7=7.4÷2=4.9-4=8.1×3=“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】 “奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】0.49÷9=0.05×2=1.4×6=0.72÷6=3.6÷2=7.7÷1.1=7×2.3=8.8÷8=0.5÷0.25=60×0.03=0.12×80=6.3÷9=20+7.04=9.9×0.9=1.8×3=0.2-0.01=4×0.08=9.6÷0.8=7.6÷2=8.3×0=7.2÷0.8=3÷6=15.3×0=6.3×3=4.2÷0.7=0.92÷0.4=0.95×10=1.4÷0.2=0.51÷17=0.19×3=0.57÷19=2.5×5=0.72÷36=0÷0.752=0.81-0.63=0.04×0.5=0.29÷10=0.019×2=3.6÷9=2.38÷100=1.25×3.2=0.24×5=8.1÷3=1.25×8=5×0.69=2×0.48=3×0.7=9×0.04=18×0.5=60×0.5=7÷5=5÷4=13÷2=2÷0.04=0.5×20=0.25×40=4÷0.4=5.4×0.01=5.4÷0.1=1÷4=0.12÷3=0.76÷0.38=14÷5=4.5÷15=1÷8=3÷4=12×1.1=0.15÷5=9.8÷7=7.2×0.2=1.5×60=10÷1.25=5×0.07=5×0.9=9-8.57=2.8÷14=1-0.9÷0.9=7.8＋0.02＝1÷0.001＝0.3×0.5=0.3÷0.5=6.5×2＝1÷0.125＝0.125×100＝1－0.63＝4.9+1.5÷3=7.9-1.3×0.3=8-0.8÷0.8=2.3-0.69-0.31=0.1×6.4÷0.1=4×0.25＝500－68＝1.6÷3.2＝3.8＋6.03＝135÷5＝0.8×125＝43÷0.01＝104＋79＝9.8÷1.4＝1.5×0.04＝402×15＝0.66＋0.27＝11.2－9.8＝362－97＝70÷500＝0.4×0.8＝728÷7＝0.08×1.2＝0.75÷15＝96－58＝0.48÷120＝1.53－0.7＝45×80＝1.5－0.06＝7.8＋0.9＝236＋99＝3.5×200=4÷20＝150÷75＝150÷0.75＝10－5.4＝13×60＝0.65＋4.35＝160＋4.5＝180－65＝0.32×500＝48×0.02＝345＋27＝3700＋643＝0.3÷1.5＝“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】 “奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】95÷19＝1.92÷0.04＝14－7.4＝17×40＝10.6－5.2＝0.8×0.5＝48＋39＝2.8×0.4＝3.2＋1.68＝100－63＝“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】