四年级暑假数学练习题班级:四(5)班梁梓铭DAY11,640÷80=15×500=230×3=2,12×2×5=480÷80=160×5=3,27×3=90÷15=48÷4=4,640÷16=39÷3=24×20=5,32×300=480÷16=125×8=6,27×3=56÷14=24÷8=7,140×20=83-45=560÷80=8,96÷24=40÷20=40×300=9,370+260=76-39=605+59=10,30×230=12×80=270+32=25×4÷5+284-14269÷3+389÷2-12958×13÷2+756-2323+77-50÷2×60=125×8×4=1四年级暑假数学练习题班级:四(5)班梁梓铭DAY21,48+270=4500×20=73+15=2,120×600=200×360=6800×400=3,280+270=4×2500=6000÷40=4,5×1280=310-70=400×14=5,470+180=1000÷25=160×600=6,20×420=290×300=8100÷300=7,7600÷200=7600÷400=680+270=8,980÷14=4200÷30=6×1300=9,1300×50=200×48=930-660=10,530+280=9200÷400=840÷21=64×125+4925×40×23100×25+125×32125X8+772X+30=80解方程2四年级暑假数学练习题班级:四(5)班梁梓铭DAY31,180×500=8000÷500=1900÷20=2,200×160=8700÷300=300×330=3,3×1400=7000÷14=600÷12=4,9600÷80=140×300=8800÷40=5,9600÷800=750-290=5×490=6,760×20=7500÷500=370×200=7,650÷13=8600-4200=240×4=8,640÷80=15×10=12×11=9,160×30=220×40=104×5=10,4500÷50=120×2=90÷30=15.2÷0.25÷40.89×100+9980y-90=7078y+2y=1609.6÷0.8÷0.43四年级暑假数学练习题班级:四(5)班梁梓铭DAY4:1,270÷30=270×30=84÷21=2,76÷9=66÷7=100-54=3,123+15=360÷4=55÷5=4,320÷40=7000÷70=200÷40=5,180÷30=240÷40=36÷0.02=6,140÷0.7=13×600=280×3=7,350×20=50×11=250×6=8,7200+900=410-201=125×8=9,480×20=6600÷600=390+140=10,11×800=24×50=3600÷400=有简算的简算:4.2×99+4.217.8÷(1.78×4)51y-y=10085y+1=-869.43-(6.28-1.57)4四年级暑假数学练习题班级:四(5)班梁梓铭DAY51,4000÷50=530-70=420-90=2,9600÷30=7×700=203+98=3,1800÷300=240+570=4800÷400=4,370+580=580-490=660÷2+4405,910-370=25×8=270-190=6,36×2=75÷25=330÷11=7,6×800=5400÷9=420÷60=8,9×800=3×330=300×7=9,9×500=390÷13=6300÷700=10,5600÷700=4800÷12=35÷0.07=370+560÷8520+490÷73.07-0.38-1.621.29+3.7+2.71+6.33x-60=90解方程5四年级暑假数学练习题班级:四(5)班梁梓铭DAY61,450-90=80+330=70×700=2,7000÷70=4000÷80=2400÷200=3,420-90=170+320=1000-51=4,520-260=910-190=35×200=5,22×200=8800÷400=9300÷300=6,6×300=1800÷200=32+99=7,70×21=50÷25=22×400=8,66÷6=710-71=400÷2=9,900÷3=690÷30=620÷20=10,28+17=32×8=820÷4=3.25+1.79-0.59+1.7523.4-0.8-13.4-7.28-2.45-1.55998-2.45-1.555(X-2)=90解方程6四年级暑假数学练习题班级:四(5)班梁梓铭DAY71,133×20=204×4=640-360=2,31×200=360÷3=125x80=3,33x30=25x40=25x8=4,50x210=13x30=165x2=5,84÷0.4=140x0.3=100÷25=6,140÷0.7=150×4=90×0.8=7,150×40=490×10=150×2=8,150×2=42×30=32×20=9,31×30=42×60=55×60=10,25x40=25×100=80×70=125x4+330122+25x43X+5X=4814X-8X=12(2+x)5=1007四年级暑假数学练习题班级:四(5)班梁梓铭Day81,75×40=27×30=12×100=2,62×30=150×4=16×40=3,52×30=72×3=70-3X20=4,63×40=35×20=64÷4=5,36+500=40×50=18+66=6,200×30=42×4=630-77=7,230×20=130×3=60×50=8,150÷30=260×2=75-26=9,21×40=35×20=15×80=10,300×6=15×8=23×30=25X8-9945X6-880.99X2+0.995X+60=15044x8+448四年级暑假数学练习题班级:四(5)班梁梓铭Day91,51÷3=17X3=660÷60=2,60X60=80÷5=240÷80=3,100÷50=1200÷20=250÷50=4,270÷90=550÷10=360÷40=5,500÷50=280÷70=34×2=6,105×50=490÷70=21×50=7,210×3=15×60=120÷60=8,25×40=140×5=480÷80=9,30×60=1800÷60=25×40=10,280÷40=125×8=0...