六年级下册三百道四则混合运算1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)8.7/8+(1/8+1/9)9.9×5/6+5/610.3/4×8/9-1/311.7×5/49+3/1412.6×(1/2+2/3)13.8×4/5+8×11/514.31×5/6–5/615.9/7-(2/7–10/21)16.5/9×18–14×2/717.4/5×25/16+2/3×3/418.14×8/7–5/6×12/1519.17/32–3/4×9/2420.3×2/9+1/321.5/7×3/25+3/722.3/14××2/3+1/623.1/5×2/3+5/624.9/22+1/11÷1/225.5/3×11/5+4/326.1/5×2/3+5/627.9/22+1/11÷1/228.5/3×11/5+4/329.45×2/3+1/3×1530.7/19+12/19×5/631.1/4+3/4÷2/332.8/7×21/16+1/233.101×1/5–1/5×2134.50+160÷4035.120-144÷18+3536.347+45×2-4160÷5237(58+37)÷(64-9×5)38.95÷(64-45)39.178-145÷5×6+4240.812-700÷(9+31×11)41.85+14×(14+208÷26)42.0.12×4.8÷0.12×4.81.6-1.6÷443.120-36×4÷18+3544.(58+37)÷(64-9×5)45.(6.8-6.8×0.55)÷8.546.0.12×4.8÷0.12×4.847.(3.2×1.5+2.5)÷1.648.6-1.6÷4=5.38+7.85-5.37=49.7.2÷0.8-1.2×5=6-1.19×3-0.43=50.6.5×(4.8-1.2×4)=51.5.8×(3.87-0.13)+4.2×3.7452.32.52-(6+9.728÷3.2)×2.553.[(7.1-5.6)×0.9-1.15]÷2.554.5.4÷[2.6×(3.7-2.9)+0.62]55.12×6÷(12-7.2)-656.12×6÷7.2-657.0.68×1.9+0.32×1.958.58+370)÷(64-45)59.420+580-64×21÷2860.136+6×(65-345÷23)61.15-10.75×0.4-5.762.18.1+(3-0.299÷0.23)×163.(6.8-6.8×0.55)÷8.564.0.12×4.8÷0.12×4.865.(3.2×1.5+2.5)÷1.666.3.2×6+(1.5+2.5)÷1.667.0.68×1.9+0.32×1.968.10.15-10.75×0.4-5.769.5.8×(3.87-0.13)+4.2×3.7470.32.52-(6+9.728÷3.2)×2.571.[(7.1-5.6)×0.9-1.15]÷2.572.5.4÷[2.6×(3.7-2.9)+0.62]73.12×6÷(12-7.2)-674.12×6÷7.2-675.33.02-(148.4-90.85)÷2.5(1)3643-74+6357-76=9850(2)39×24+39×46+39×30=3900(3)108×35=3780(4)345×98=33810(5)25×64×125×5=1000000(6)8500÷25=340(7)94×73+27×94=9400(8)125×79=9875(9)1.2×99=118.8(10)9÷0.25=36(11)4.7×5.9+5.2×4.7-4.7×0.1=51.7(12)3.6×2.4+36×0.76=36(13)(3.25×7+3.25)×0.125=3.25(14)37.5÷8÷1.25=3.75(15)1.11-8.5×(7.1-0.11)×0=1.11(16)17/18-11/27-5/18-7/27=0(17)9/10+5/6+9/10-5/6=1.8(18)1.3+1/4-1/2+1/4-0.2÷4=1.25(19)12.5×88=1100(20)4.8÷(1.6×0.2)=15(21)3.2×0.25×1.25=(22)1/3+1/6+1/9+1/18=(23)(3/11+0.87+0.23-3/11)÷0.03=(24)0.5×[3/4-(7/16-0.25)]=9/32(25)1999+999×999=1000000(26)12.75-(3/8+3/4)=93/8(27)(1.2+0.25)×3×4=17.4(28)0.375×101-37.5=3/8(29)7.2×1000÷125=57.6(30)53/6+37/4-23/6=14.25(31)10-(1/2+1/10)=9.4(32)24700-5278÷26×108=2776(33)3-5/13-8/13=2(34)532.7-2.47=530.23(35)0.084×7.5=0.63(36)913.5÷0.29=3150(37)6.55×3.45=9039/400(38)124÷3.1=40(39)0.1435÷1.5=287/3000(40)275+2254÷5-100=625.8(41)4÷(1÷0.4)=1.6(42)1÷0.2+(2-0.7)×5=11.5(43)9×3-1.7+13.4=38.7(44)22-0.8÷2=21.6(45)4×(12.6-9)+8=22.4(46)22.2-4.8+3.2-12=8.6(47)0.3×5+3-4.5=0(48)2x1.5x0.8=2.4(49)0.8x6+16=20.8(50)1+0.2x1.6=4.2(51)1.5+0.9×3.6=4.74(52)3/4÷0.75+3=4(53)2.8×4.5+72×0.5=48.6(54)0.6x0.1x2=0.12(55)280+720=1000(56)1076-86=990(57)32×0.25=8(58)1/3+1/5=8/15(59)30²=900(60)0.1÷1%=10(61)3.14×7=21.98(62)2/5-1/4=0.15(63)6300÷70=90(64)45×3/15=9(65)1/7-1/9=2/63(66)36-4/9=320/9(67)45-0.5=44.5(68)5/6-1/6=2/3(69)2/5+1/2=0.9(70)3/4+1/6=11/12(71)2x2/5+27/5=6.2(72)24x1.2-4=24.8(73)6.5+2x16.5=39.5(74)8.1÷27×3=0.9(75)1-2/5-17/50=13/50(76)4/7-2/5=6/35(77)264+318-8280÷69=462(78)5/6-1/4+2/3=5/4(79)11/28+(5/14+3/7)=33/28(80)7-(3/4-2/5)=133/20(81)285+(3000-372)÷36=358(82)796-5040÷(630÷7)=740(83)3168-7828÷38+504=-100656(84)1406+735×9÷45=1553(85)14.6-(4.6+7.2)=14/5(86)1-1/2-1/3-1/6=0(87)3/10-7/30+4/10=7/15(88)999×85+854×(6.5÷1.3)=89185(89)1.5-0.05×(1.5-1.5)=3/2(90)9/10-(1/6+3/5)=2/15(91)4/3-(2/5+3/10)=19/30(92)2/5+1/3+3/5=4/3(93)20-(5.35+0.15)+6.3=104/5(94)1/2-(3/4-3/8)=1/8(95)7/8-5/12+1/6=5/8(96)(174+209)×26-9000=958(97)814-(278+322)÷15=774(98)2/5+3/5+3/7-3/9=23/21(99)5/6+5/12=5/4(100)1-(8/13+5/13)=