8×0.4×12.5×2.50.4×125×25×0.832×125×25(2.5+25)×0.43700-2185-81564×125125×(8+4)75×99+7560×(15+500)435+1999170×4+80×4103×5699×14102×3649×80+8067×9+33×9(13×8)×12525×(40×32)(5×7)×808×14×125×62843-5984×8×25×125259+468+741+53236×2512×15+12×3531×128-28×31(25+250)×4(125×125)×8(712-15)×6047×613+37×6132538×8227×(15×2728)×215710×101-71089×89÷89×8935×99+351521×34+1021×34-3445×2536×3435(56-59)×185212×6.6+2.5×6351178-613-1234.6+325+635+5.43415×(57-314÷34)2.8+549+7.2+359438+2.25+558+734725+457+23553611-1647+16511359-337+149+1470.75+58+14+0.37545+945+9945+99945+999945445-(245+512)5-21417-131748.3-1516-456956×4.25+414÷60.625×0.5+58+12×62.5%3138×72513÷31382.5×(910+910+910+910)22×34+25×75%-7×0.750.25×63.5-14×13126715×2.5-212×4715(111+999)÷[56×(37-38)]49.5×1035-(50-12)×0.6711×41419+5519÷147+71145×(79+415-0.6)897×38-37.5%+104×0.375314×(538-5.375)3.5×114+1.25×2710+3.8÷4571×993755+29968439+10016÷0.25446+295888+9991125-996299×101563×9992100÷2072×156-56×7225×32×125709×99+7090.25×482.5×370.4×213212×6.6+2.5×63575.3×99+75.34.6×3.7+54×0.370.125×34+18×8.25+12.5%1178―613―12315314―4.25―53419.82―6.57―3.434.6+325+635+5.4438+2.25+558+7349.63÷2.5÷48.37-3.25-(1.37+1.75)(15+25)×212×2528×253700-2185-815125×(8+4)32+144+68+562847-14×4×25×160×(15+500)435+19998×(125+9)46×18+54×18(400+16)×5170×4+80×4103×5613×68+13×32(2+4)×155×(20+6)8×23+8×279×6+4×999×1475×99+75102×3649×80+80430-216-18467×9+33×9(13×8)×12520×(17×5)14×20×5276×38+276×62102×2625×(40×32)(5×7)×808×14×125×616×25×5×425×13×42843-5984×8×25×125259+468+741+53236×2512×15+12×3531×128-28×31(25+250)×4(125×125)×8(712-15)×6047×613+37×6132538×8227×(15×2728)×215710×101-71089×89÷89×8935×99+35(47+89)×2251521×34+1021×34-34345×2536×3435(56-59)×185填空题。1、()的35是27;48的512是()。2、5和()互为倒数,()的倒数是它本身。3、比80米多12是()米;300吨比()吨少16。4.列式计算:(1)一个数的109是43,这个数是多少?(2)43减去43与54的积,所得的差除以9,商是几?○1添(去)括号的应用1、7.35-(1.9+2.35)2、933-157-433、8.8-6.75+9.2-0.254、41×1025、3.6+9.7+6.46、4.67-(2.98+0.67)7、7.15-(2.7+4.15)8、2.89+2.7+7.3+3.219、500-257-34-143运算顺序易出错313134.12、1042-384÷16×13)(、43-545234、2.7-2.7÷2.75、87×8636、92–167×927、(54+913)÷9律6.2%402.2525.20.41724267324164832-127245155425.68.0541.51480799807133.78.36.56.3-6.314.8121081.2511135×31-3÷13810.24×)876532(9.102×288.﹢0.7899×0.787.0.4×﹢25)(2.5.62176325416165414242423-8312730.60.8-3.60.82531010521、、、、、、、、、、、32149149-6914933724727239320.080.88125310.5210.1252187309211551297297110025728251.61.61.61.62795162389526329816252.0136-54136-136241354311381.75-19.75238.812522382-1013822132532312.62061-319118195610118、、、、、、、、、、、、、、、201020092009201020093613291133919138350.9259.99.2534、、、小学六年级数学口算题25×4=0.4-0.31=1.4×0.6=1÷0.2=24×5=0.8÷0.16=6.8-0.3=4.2÷6=8.7÷8.7=7.5÷1.5=3.1×0.01=1.8×0.5=0.14×10=0.95÷1.9=33×0.01=2000+6500=0.1÷10=3-0.4=2.2-0.3=33÷330=10-0.1=2.6÷0.2=1.24×0=3÷1.5=98÷14=1.25×8=0.45÷9=0.12×8=25+46=0.25×4=1.4×4=0.1×0.02=0.58+0.33=2.4×4=1÷25=7.2÷4=40×30=1.5×0.5=44÷2=0.54÷0.18=480÷60=2.1×4=90×900=0.48÷0.16=4.6+0.6=9.1÷1.3=0.1×0.5=1.4×0.5=30×80=0.5+5.3=0.75÷0.25=1.7+2.8=75÷25=0.68÷0.17=0.2×0.3=0.8×2.7=0.9÷1.8=0.22+0.46=1.6÷4=3.25-1.6=9800-980=100+7000=22+20=1.14÷0.3=6÷1.5=2.8×0.2=86-69=3.46+0.59=820÷2=2.2×0.3=2.2×0.01=0.15×0.6=350÷50=630÷3=9.5÷0.5=1.4-0.8=30×50=52+35=0.27×0.2=60×0.3=20×90=2.2×0.04=13×0.01=1÷0.25=2.3×0.1=12×0.05=3.2÷1.6=1÷0.5=0.21÷0.3=28×0.03=4.1×0.02=3.2÷8=14÷35=0.96÷0.8=2.9×0.03=89-31=1.4×0.5=2.23+1.74=8.7-0.5=33+40=1.6×0.4=4.4÷0.1=6.3-3.85=1÷2.5=7.2÷2.4=1.3×0.5=7-0.25=125×16=7+14.2=180÷90=630÷90=44÷2=