六上數(shù)學(xué)混合運(yùn)算400道

六上數(shù)學(xué)混合運(yùn)算400道86+49+114=240+(39-40)=255+(352+145+48)=(345+377)+(55+23)=9+(80+191)=(268+314+132)+86=5190-15=495+(278+5)+222二174x36x25=399-199=650-25=260x8-8-8x59=996+500=6975-25=196-95=328-(163-72)=199+(84-99)=885-1-201-298=460-35-3-262=(98+59+2)+41=736x12-12-12x335=116+(112+184)=150x258+142x150=31x24x25=9000-25=502-287-54-159=307+(92+93)=80x125=102x15=32)30+(63+70)+37=27+(73+73)+27=86+(98+14+2)=544-272-28=36)18000-150-4=103x69=38)25x64x125=343-188-12=40)509x11-11-11x8=79x24x25=(145+25)+(155+275)=(447+423)+(53+77)=44)46+15+54=589-109-(6+185)=20x25=48)89x245+155x89二92+(79+8+21)=6015-(518+699)-2783=2467x70-70-70x466=1616x506+2494x1616=4x17+4+1982x4=799x660+340x799=3991x36x25=6076-875-(805+3320)=6056-679-40-4281=4134+(2819+866)+2181=5898-(2065-102)=3297x1273+2727x3297=1312+(153+688+1847)=2315-793-114-1093=3940+(1739-1940)=1455+(1768+1545)+1232=975+(1007+2025)=24x1951+24+48x24=30425-25=1376+(1961+624+39)=(686+1872+2314)+1128=2922+(260-922)=113600-100-4=2002x658=80)1428+(958+2572)=2001x786=82)190x760+190+3239x1902976x1145+2855x29768122-(3084-1878)879+(1295+2121)2595x178-178-178x5941319x1339+1661x1319997x885453x8x1254928-(871+1928)997x9171526+(938-526)803x12x2511400072006933x332-332-332x293216x25=100）25x224x1259/22+1/114-1/25/3x11/5+4/345x2/3+1/3x157/19+12/19x5/68/7x21/16+1/2101x1/5-1/5x2150＋160-40（58+370）-（64-45）120-144-18+35347+45x2-4160-52（58+37）-（64-9x5）95-（64-45）178-145-5x6+42420+580-64x21-28812-700-（9+31x11）（136+64）x（65-345-23）85+14x（14+208-26）（284+16）x（512-8208-18）120-36x4-18+35（58+37）-（64-9x5）（6.8-6.8x0.55）-8.50.12x4.8-0.12x4.8（3.2x1.5+2.5）-1.6（2）3.2x（1.5+2.5）-1.66-1.6三4=5.38+7.85-5.37二7.2m0.8-1.2x5二6-1.19x3-0.43=6.5x(4.8-1.2x4)=0.68x1.9+0.32x1.910.15-10.75x0.4-5.75.8x(3.87-0.13)+4.2x3.74(6+9.728-3.2)x2.5(7.1-5.6)x0.9-1.15]-2.55.4m[2.6x(3.7-2.9)+0.62]0.9+0.1-0.10.3x0.3x0.30.5-0.5-0.50.8-0.8x0.50.8-0.8x0.52.7+2.3-0.21.8-1.811.2-1.93+0.80.38x2.9+0.380.5-0.5x0.50.8-0.8x0.52.7+2.3-0.21.8-0.811.2-1.93+8.071-1-40.65x1029.87-(5.87+2.9)(0.25+0.45)x0.4(0.36+1.29)-30.008+0.992x2.5x404.84+0.3x15-0.2+77.50.15x(3.79-1.9)+1.11x0.150.05x[30-(18.4+27.83-4.6)](6.8-6.8x0.55)-8.50.12x4.8-0.12x4.81.6-1.6-45.38+7.85-5.377.2-0.8-1.2x56-1.19x3-0.436.5x(4.8-1.2x4)0.68x1.9+0.32x1.910.15-10.75x0.4-5.75.8x(3.87-0.13)+4.2x3.7432.52-(6+9.728^3.2)x2.5(7.1-5.6)x0.9-1.15]-2.55.4-[2.6x(37-2.9)+0.62]5.47+12.81+3.53+7.190.83x12.5x82.9x1023.8x6.9+3.8x2.1+3.8109+(72+91)-93x24x125125*3+125*5+25*3+252.9999*3+101*11*(101-92)(23/4-3/4)*(3*6+2)3/7x49/9-4/38/9x15/36+1/2712x5/6-2/9x38x5/4+1/46—3/8-3/8—64/7x5/9+3/7x5/95/2-(3/2+4/5)7/8+(1/8+1/9)9x5/6+5/63/4x8/9-1/37x5/49+3/146x(1/2+2/3)8x4/5+8x11/531x5/6-5/69/7-（2/7-10/21）5/9x18-14x2/74/5x25/16+2/3x3/414x8/7-5/6x12/1517/32-3/4x9/243x2/9+1/35/7x3/25+3/73/14xx2/3+1/61/5x2/3+5/69/22+1/114-1/25/3x11/5+4/345x2/3+1/3x157/19+12/19x5/61/4+3/4-2/38/7x21/16+1/2101x1/5-1/5x2134.50＋160-4035.120-144-18+3536.347+45x2-4160-5237（58+37）-（64-9x5）38.95^(64-45)39.178-145^5x6+4240.812-700-(9+31x11)41.85+14x(14+208-26)43.120-36x4-18+35(58+37)-(64-9x5)(6.8-6.8x0.55)-8.546.0.12x4.8-0.12x4.847.(3.2x1.5+2.5)-1.648.6-1.6-4=5.38+7.85-5.37=49.7.2-0.8-1.2x5=6-1.19x3-0.43=50.6.5x(4.8-1.2x4)=51.5.8x(3.87-0.13)+4.2x3.74(6+9.728-3.2)x2.553.[(7.1-5.6)x0.9-1.15]-2.5[2.6x(3.7-2.9)+0.62]55.12x6-(12-7.2)-656.12x6-7.2-657.0.68x1.9+0.32x1.958.58+370)-(64-45)59.420+580-64x21-2860.136+6x(65-345-23)15-10.75x0.4-5.762.18.1+(3-0.299^0.23)x163.(6.8-6.8x0.55)m8.564.0.12x4.8-0.12x4.865.(3.2x1.5+2.5)-1.666.3.2x6+(1.5+2.5)-1.667.0.68x1.9+0.32x1.968.10.15-10.75x0.4-5.769.5.8x(3.87-0.13)+4.2x3.74(6+9.728-3.2)x2.571.[(7.1-5.6)x0.9-1.15]-2.5[2.6x(3.7-2.9)+0.62]73.12x6-(12-7.2)-674.12x6-7.2-675.33.02-(148.4-90.85)-2.576.(25%-695%-12%)*3677./4*3/5+3/4*2/578.1-1/4+8/9/7/9+1/6/3/24+2/21/15*3/581.3/4/9/10-1/6/3+1/2)/5/6-1/3]/1/7/5+3/5/2+3/4(2-2/3/1/2)]*2/5+5268.32-256986.3+456-52*887.5%+632588./2+1/3+1/489+456-785%+.3/7x49/9-4/39x15/36+1/272x5/6-2/9x33x5/4+1/4刀94-3/8-3/8-695/7x5/9+3/7x5/96/2-(3/2+4/5)8+(1/8+1/9)8x5/6+5/61/4x8/9-1/310x5/49+3/141.5x(1/2+2/3)2／9x4/5+8x11/53.1x5/6-5/64/7-(2/7-10/21)19x18-14x2/75x25/16+2/3x3/44x8/7-5/6x12/157/32-3/4x9/241、2/3-1/2-1/4x2/52、2-6/13-9/26-2/33、2/9+1/2-4/5+3/84、10-5/9＋1/6x45、1/2x2/5+9/10-9/206、5/9x3/10+2/7-2/57、1/2+1/4x4/5-1/88、3/4x5/7x4/3-1/29、23-8/9x1/27-1/2710、8x5/6+2/5-411、1/2+3/4x5/12x4/512、8/9x3/4-3/8-3/413、5/8-5/4+3/23-9/111.2x2.5+0.8x2.58.9x1.25-0.9x1.2512.5x7.4x0.89.9x6.4-(2.5+0.24)(27)6.5x9.5+6.5x0.50.35x1.6+0.35x3.40.25x8.6x46.72-3.28-1.720.45+6.37+4.555.4+6.9x3-(25-2.5)2x41846-620-3804.8x46+4.8x540.8+0.8x2.51.25x3.6x8x2.5-12.5x2.428x12.5-12.5x2023.65-(3.07+3.65)(4+0.4x0.25)8x7x1.251.65x99+1.6527.85-(7.85+3.4)48x1.25+50x1.25x0.2x87.8x9.9+0.78(1010+309+4+681+6)x123x9146x782x6x8545.15x7/8+6.1-0.606253/7x49/9-4/38/9x15/36+1/2712x5/6-2/9x38x5/4+1/46-3/8一3/8-64/7x5/9+3/7x5/95/2-(3/2+4/5)7/8+(1/8+1/9)9x5/6+5/63/4x8/9-1/37x5/49+3/146x(1/2+2/3)8x4/5+8x11/531x5/6-5/69/7-(2/7-10/21)5/9x18-14x2/74/5x25/16+2/3x3/414x8/7-5/6x12/1517/32-3/4x9/243x2/9+1/35/7x3/25+3/73/14xx2/3+1/61/5x2/3+5/69/22+1/114-1/25/3x11/5+4/345x2/3+1/3x157/19+12/19x5/61/4+3/44-2/38/7x21/16+1/2101x1/5-1/5x2131.50＋160-40（58+370）-（64-45）144-18+3533.347+45x2-4160-5234（58+37）-（64-9x5）35.95-（64-45）36.178-145-5x6+42420+580-64x21-2837.812-700-（9+31x11）（136+64）x（65-345-23）38.85+14x（14+208-26）39.（284+16）x（512-8208-18）36x4-18+35（58+37）-（64-9x5）（6.8-6.8x0.55）-8.543.0.12x4.8-0.12x4.844.（3.2x1.5+2.5）-1.6（2）3.2x（1.5+2.5）-1.645.6-1.6-4=5.38+7.85-5.37=46.7.2-0.8-1.2x5=6-1.19x3-0.43=47.6.5x（4.8-1.2x4）=0.68x1.9+0.32x1.948.10.15-10.75x0.4-5.749.5.8x（3.87-0.13）+4.2x3.7450.32.52-(6+9.7282.2)x2.551.[(7.1-5.6)x0.9-1.15]-2.552.5.4-[2.6x(3.7-2.9)+0.62]53.12x6-(12-7.2)-6(4)12x6-7.2-6102x4.57.8x6.9＋2.2x6.95.6x0.258x(20－1.25)1)127+352+73+44(2)89+276+135+33(1)25+71+75+29+88(2)243+89+111+579405-2940-28x21920-1680-40-7690+47x52-3