(资料图片仅供参考)

1、25x8=25x4x2=100x2=200102x99=102x(100-1)=102x100-102x1=10200-102=10098382x101-382=382x101-382x1=382x(101-1)=382x100=3820035x8-4x35=35x(8-4)=35x4=140136x101-136=136x101-136x1=136x(101-1)=136x100=136004600/25/4=4600/(25x4)=4600/100=4625x15x4=25x4x15=100x15=150099x126=126x(100-1)=126x100-126x1=12600-126=12474120÷(3分之1-4分之1)=120÷(12分之4-12分之3)=120÷12分之1=120×12=144010.1×89-8.9=101x8.9-8.9x1=8.9x(101-1)=8.9x100=8909.07-22.78÷3.4=9.07-6.7=9.07-（7-0.3）=9.07-7+0.3=2.07+0.3=2.375+7×(8+12)÷(4-2)=5+7×20÷2=5+70=7516x4+16x6x16=16x4+96x16=16x(4+96)=16x100=16007/25×4/9+7/25×5/9=7/25×(4/9+5/9)=7/25×1=7/2560×(1/12+1/15+1/4)=60×1/12+60×1/15+60×1/4=5+4+15=24(5/12-3/8)×72=5/12×72-3/8×72=30-27=36/7-5/24÷7/12=6/7-5/24×12/7=12/14-5/14=7/14=1/2[3/4×(7/16-1/4)]÷9/13=3/4×（7/16-4/16）×13/9=1/4×3/16×13/3=13/642/3-7/8+1/3=(2/3+1/3)-7/8=1-7/8=1/85/6-(3/7-1/6)=(5/6+1/6)-3/7=1-3/7=4/71-1/3-2/3=1-(1/3+2/3)=1-1=01+3/5-1/10=1+6/10-1/10=1+1/2=1又1/23/8-12/13+5/8=3/8+5/8-12/13=1-12/13=1/131-(1/2-3/4)=1+3/4-2/4=1+1/4=5/41-1/2-1/4=1/2-1/4=2/4-1/4=1/42/7-8/9+5/7=(2/7+5/7)-8/9=1-8/9=1/92-1/4-3/4=2-(1/4+3/4)=2-1=11/2-(3/8-1/2)=1/2+1/2-3/4=1-3/8=5/82.64×1.7-2.64×0.7=2.64×(1.7-0.7)=2.64×1=2.6431.5×1.07-3.15×0.7=3.15×10.7-3.15×0.7=3.15×(10.7-0.7)=3.15×10=31.52.7×5.7-2.7+5.3×2.7=2.7×(5.7-1+5.3)=2.7×10=270.625÷0.125×0.8=(0.625×0.8)×8÷(0.125×8)=0.5×8÷1=418.6×6.1+3.9×18.6=18.6×(6.1+3.9)=18.6×10=1860.92x15+0.08x15=(0.92+0.08)×15=1×15=150.72×1.25×2.5=0.9×(0.8×1.25)×2.5=0.9×1×2.5=2.25400.6x7-2003x0.4=200.3x14-200.3x4=200.3×（14-4）=200.3×10=2003300÷125÷8=300÷(125×8)=300÷1000=0.3396-96-172-28=(396-96)-(172+28)=300-200=100125x24=125x8x3=1000x3=300026x15=(20+6)x15=20x15+6x15=300+90=39025x99x4=25x4x99=100x99=9900250x32=250x4x8=1000x8=8000(98+98+98+98)x25=4x98x25=4x25x98=100x98=98003/4÷5/8×3/10=3/4×8/5×3/10=9/5×1/5=9/251.25×(8+10)=1.25×8+1.25×10=10+12.5=22.51.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.781/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=482/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/83/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/73.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=10.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=10001.25×(8+10)=1.25×8+1.25×10=10+12.5=22.59123-(123+8.8)=9123-123-8.8=9000-8.8=8991.21.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.99999×1001=9999×(1000+1)=9999×1000+9999×1=1000899914.8×6.3-6.3×6.5+8.3×3.7=(14.8-6.5)×6.3+8.3×3.7=8.3×6.3+8.3×3.7=8.3×(6.3+3.7)=8.3×10=831.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78933-157-43=933-(157+43)=933-200=7334821-998=4821-1000+2=382332×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=1000001.8+18÷1.5-0.5×0.3=1.8+12-0.15=13.8-0.15=13.656.5×8+3.5×8-47=52+28-47=80-47=333.7x2.56-2.3=9.472-2.3=7.1721.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.781/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=482/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/83/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/73.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=10.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=10001.25×(8+10)=1.25×8+1.25×10=10+12.5=22.59123-(123+8.8)=9123-123-8.8=9000-8.8=8991.21.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.99999×1001=9999×(1000+1)=9999×1000+9999×1=1000899914.8×6.3-6.3×6.5+8.3×3.7=(14.8-6.5)×6.3+8.3×3.7=8.3×6.3+8.3×3.7=8.3×(6.3+3.7)=8.3×10=831.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78933-157-43=933-(157+43)=933-200=7334821-998=4821-1000+2=382332×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=1000009/17x8/13+8/13/(17/8)=9/17x8/13+8/13x8/17=8/13x(9/17+8/17)=8/13x1=8/1310.1×89-8.9=10.1x89-89x0.1=89x(10.1-0.1)=89x10=890方程：4x+8=4解：4x=4-84x=-4x=-4÷4x=-112x+8x-12=28解：20x=28+1220x=40x=40÷20x=24x+2.1=8.5解：4x=8.5-2.14x=6.4x=6.4÷4x=1.665y-30=100解：65y=100+3065y=130y=130÷65y=215x-7.5x=15解：7.5x=15x=15÷7.5x=225%x=5解：1/4x=5x=5*4x=2020-15%x=17解：0.15x=20-170.15x=3x=3÷0.15x=2025%x=5解：0.25x=5x=5÷0.25x=2080%X=6/15X+96解：4/5X=2/5X+964/5X-2/5X=962/5X=96X=96*5/2X=48*5X=24015%X+10-X=10*32%解：0.15X-X=3.2-10-0.85X=-6.8X=-6.8÷(-0.85)X=815%X+10-X=10*32%解：0.15X+10-X=3.2X-0.15X=10-3.20.85X=6.8X=6.8÷0.85X=88÷x=0.4解：8÷x*x=0.4*x0.4x=80.4x÷0.4=8÷0.4x=205x+8x=4.7解：13x=4.7x=4.7/13x=47/1302*20x=10(60-x)解：40x=600-10x40x+10x=60050x=600x=600÷50x=12x÷75+x÷60=36解：1/75x+1/60x=364/300x+5/300x=369/300x=36x=36*300/9x=12*100x=1200x-0.7x=16解：(1-0.7)x=160.3x=16x=16÷0.3x=16/0.3x=160/38(x-4)+5=45解：8(x-4)=45-58(x-4)=40x-4=40÷8x-4=5x=5+4x=9(x+10)*2.4+4=x+25+10解：2.4x+24+4=x+352.4x+28=x+352.4x-x=35-281.4x=7x=7÷1.4x=54x+8=4解：4x+8-8=4-8——等式性质4x=-44x÷4=-4÷4x=-17.8x-14=40解：7.8x=40+147.8x=54x=54/7.8x=540/78x=90/135x+30=6x-10解：6x-5x=30+10x=404x+8=4——方程两边除以4解：x+2=1x=1-2x=-1x：6.5=6：4解：4x=6.5*64x=39x=39/4x=9.758.6x+3*6=52.4解：8.6x+18=52.48.6x=52.4-188.6x=34.4x=34.4÷8.6x=4x/5.2-1.6=1.8解：x/5.2=1.8+1.6x/5.2=3.4x=3.4*5.2x=17.68225x=239.2x解：239.2x-225x=014.2x=0x=0÷14.2x=080x+(80-20)(x+10)=4800解：80x+60(x+10)=480080x+60x+600=4800140x=4800-600140x=4200x=4200÷140x=301.5x-0.6*15=18解：1.5x-9=181.5x=18+91.5x=27x=27÷1.5x=186x+4(2x-1)+3(45-3x)=171解：6x+8x-4+135-9x=1716x+8x-9x+131=1715x=171-1315x=40x=40÷5x=89x*2+18*6x+17*2x=12.8解：(18+108+34)x=12.8160x=12.8x=12.8÷160x=0.082x*(x-1)-x*(2x+3)=15解：2x²-2x-2x²-3x=15-5x=15x=15÷（-5）x=-32分之1x+5分之1=3分之1x解：2分之1x-3分之1x=-5分之16分之3x-6分之2x=-5分之16分之1x=-5分之1x=-5分之1*6x=-5分之6x=-1又5分之18(3x+3)=72解：3x+3=72÷83x+3=93x=9-33x=6x=6÷3x=28(3x+3)=72解：24*(x+1)=72x+1=72÷24x+1=3x=3-1x=24(y+2)=24解：y+2=24÷4y+2=6y=6-2y=43x+12.4=5x-3.6解：5x-3x=12.4+3.62x=16x=16÷2x=8x-80%x-6=16解：x-0.8x=16+60.2x=22x=22÷0.2x=110x-0.1x=55.404解：(1-0.1)x=55.4040.9x=55.404x=55.404÷0.9x=61.56x+12−1/4x=1解：x-1/4x=1-123/4x=-11x=-11*4/3x=-44/39分之8÷(2x)=8分之5解：8分之5*2x=9分之84分之5x=9分之8x=9分之8*5分之4x=45分之325x+30=6x-10解：6x-5x=30+10x=4022%x=34解：11/50x=34x=34*50/11x=1700/117分之2x：3分之2=6解：7分之2x=6*3分之27分之2x=4x=4*2分之7x=140.5x+3分之1x=9分之5解：2分之1x+3分之1x=9分之56分之3x+6分之2x=9分之56分之5x=9分之5x=9分之5*5分之6x=3分之22x-20%×10=4.22解：2x-2=4.222x=4.22+22x=6.22x=6.22÷2x=3.11(1-65%)*X=8解：(1-0.65)X=80.35X=8X=8÷0.35X=800/35X=160/73分之2X=9分之4解：X=9分之4*2分之3X=3分之23分之2X+4分之1=12解：3分之2X=4分之48-4分之13分之2X=4分之47X=4分之47*2分之3X=8分之1413X-7分之5X=7分之2解：7分之21X-7分之5X=7分之27分之16X=7分之2X=7分之2*16分之7X=8分之13X+5=5X-1解：5X-3X=5+12X=6X=6÷2X=34x-1.5x=5解：2.5x=5x=5÷2.5x=2X+3.6＝2.5X-3.6解：2.5X-X=3.6+3.61.5X=7.2X=7.2÷1.5X=4.8x+3.6=2.5x-3.6解：2.5x-x=3.6+3.61.5x=7.2x=7.2÷1.5x=4.8x÷4=6.34解：x=6.34*4x=25.368（x+2.4）=83.2解：x+2.4=83.2÷8x+2.4=10.4x=10.4-2.4x=87分之2x=21分之8解：x=21分之8*2分之7x=3分之4x=1又3分之19分之8÷2x=8分之5解：9分之8*2分之1x=8分之59分之4x=8分之5x=8分之5*4分之9x=32分之453.2+2x=9.8解：1.6+x=4.9x=4.9-1.6x=3.31/3x-1/4x=12解：4/12x-3/12x=121/12x=12x=12*12x=1441/6x+2/3x=20解：1/6x4/6x=205/6x=20x=20*6/5x=4*6x=241/2x+1/3x=5/6解：(1/2x+1/3x)×6=5/6×63x+2x=55x=5x=5÷5x=12x/3+5x/7=23/42解：(2x/3+5x/7)×42=23/42×4228x+30x=2358x=23x=23/585/6-x=1/4解：x=5/6-1/4x=10/12-3/12x=7/12x÷4/5=2/7解：x=2/7×4/5x=8/3519/8-1/7x=1/8解：1/7x=9/4x=63/4x=15又3/414+5x=42解：5x=42-145x=28x=28/5x=5.67×5+65x=100解：35+65x=10065x=100-35x=65/65x=14x-8*7=28解：4x=28+56x=84/4x=218x-x+18=67解：7x+18=677x=67-187x=49x=49÷7x=7x+15=200解：x=200-15x=185x/2+x/3=5/6解：(x/2+x/3)×6=5/6×63x+2x=55x=5x=5÷5x=15*8+2X=60解：40+2X=602X=60-40X=20÷2X=105（8+2X）=60解：8+2X=60÷58+2X=122X=12-8X=4÷2X=25(8+2X)=60解：8+2X=60÷58/2+2X/2=12/24+X=6X=6-4X=2X-5%X=12.6解：0.95X=12.6X=12.6/0.95X=1260/95X=252/195分之3÷5分之6-3X=5分之1解：3X=5分之3*6分之5-5分之13X=2分之1-5分之13X=10分之5-10分之23X=10分之3X=10分之3*3分之1X=10分之1(X+5分之3)*50%=4解：X+5分之3=4÷0.5X=8-5分之3X=7又5分之25分之4X-4=60解：5分之4X=60+4X=64*4分之5X=16*5X=801÷(X-3分之2X)=5分之4解：5分之4*3分之1X=115分之4X=1X=1*4分之15X=4分之153.2+2x=9.8解：2x=9.8-3.22x=6.6x=6.6÷2x=3.3(8+x)*3=60解：8+x=60÷38+x=20x=20-8x=12(8+x)*3=60解：24+3x=603x=60-243x=36x=36÷3x=12口算（竖式）：8.8x5=449.9x24=237.612.5x8=1002.5x4=107.7x10=772.2x5=11101x9=90910.1x9=90.988x5=44099x24=2376125x8=100025x4=10012.5÷5=2.51.5÷3=0.52.2÷1.1=21.5÷5=0.31.5÷0.3=51.5÷0.5=32.4÷6=0.42.4÷4=0.63.6÷0.6=62.4÷0.6=45.1÷0.3=172.4÷0.4=62.4÷0.8=36.8÷0.4=172.4÷0.3=82.8÷0.4=72.4÷8=0.38.8÷0.8=112.4÷3=0.818.5÷0.5=373.64÷52=0.070.85x0.4=0.340.32x2.5=0.80.75x2.5=1.8751.25x0.8=12.5x0.4=11.25x4.4=0.52.5x8.8=2219.2÷0.6=3259.8÷0.23=26019.76÷5.2=3.810.8÷45=0.2421÷1.4=158.84÷1.7=5.262.1÷0.03=20701.89÷54=0.0350.51÷0.3=1.77.1÷2.5=2.841.998÷0.54=3.71.28÷16=0.082.1÷0.4=5.252.56÷32=0.0850.18÷38.6=1.34.68÷75=0.062414.7÷0.07=2105.4÷15=0.36124.8÷0.24=52023.4÷585=0.040.544÷0.025=21.76203.5÷11=18.524÷15=1.63.64÷52=0.070.85x0.42=0.3570.32x25=80.75x15=11.251.25x1.8=2.252.5x0.48=1.21.25x4.8=62.5x3.8=9.51.25x2.8=3.52.5x0.46=1.155.5x0.2=1.135×5=17515×5=7523×3=6912×2.5=30480÷80=616×5=8027×3=8190÷15=648÷4=1239÷3=1332×3=9648÷16=312×8=9627×0.3=8.156÷14=414×2=28560÷80=796÷24=418.5÷0.5=37598÷0.23=260019.76÷0.52=3810.8÷45=0.2421÷14=1.58.84÷1.7=5.262.1÷0.3=2075.4÷15=0.3637+26=6376-39=37605+59=66427+32=5948+27=7573+15=88280+270=550310-70=240930-660=270530+28=558840÷21=40750-290=4604500÷50=90120×2=2407000÷70=100200÷40=5180÷30=6240÷40=635×2=70140×7=98013×6=78280×3=840350×2=70050×11=550250×6=15007200+900=8100410-201=209125×8=100048×20=9606600÷600=11390+140=53011×80=88024×50=12003600÷400=94000÷50=80530-70=460420-90=33018.5÷0.5=372769÷390=7.11568÷980=1.64576÷520=8.81440÷240=63072÷960=3.2272÷680=0.43040÷400=7.6576÷120=4.81577÷830=1.95005÷550=9.11701÷270=6.36633÷990=6.7117÷30=3.9825÷750=1.13901÷470=8.31045÷190=5.52457÷910=2.76237÷630=9.92485÷350=7.12832÷590=4.82904÷880=3.34437÷510=8.71357÷230=5.92945÷950=3.1201÷670=0.32925÷390=7.5517÷110=4.71577÷830=1.95005÷550=9.11701÷270=6.33465÷990=3.5117÷30=3.9825÷750=1.13901÷470=8.31045÷190=5.52457÷910=2.76237÷630=9.92485÷350=7.1301÷70=4.31185÷790=1.54437÷510=8.71357÷230=5.92945÷950=3.1201÷670=0.32925÷390=7.5517÷110=4.71577÷830=1.95005÷550=9.11701÷270=6.33465÷990=3.52698÷710=3.8740÷74=103772÷460=8.2972÷180=5.42340÷900=2.66076÷620=9.82380÷340=7252÷60=4.21092÷780=1.44300÷500=8.61276÷220=5.82820÷940=3132÷660=0.22812÷380=7.4460÷100=4.6。

本文就为大家分享到这里，希望小伙伴们会喜欢。

关键词：