五年级小数加减乘除混合运算计算题练习题-共7页.pdf

小数混合运算专项训练小数混合运算专项训练1 1、解方程。、解方程。（1）5x450 （2）12（6x）42 （3）1.26+4x12 （4）8.5xx22.52 2、用简便方法计算。、用简便方法计算。（1）0.25 3.212.5 （2）3610.1（3）0.2544 （4）22.24+17.843 3、用递等式计算。、用递等式计算。（1）2.6+1.41.51.5 （2）（373.64.8）12.5（3）2.6+2.4（1.41.05）（4）15.616（0.25+1.25）30.814-(9.85+1.07)60-(9.5+28.9)0.182.8810.43-0.243.5 20(2.44-1.8)0.4+0.1528-(3.4+1.252.4)2.557.1+2.457.17779+11113 0.815.5-(3.21+5.79)(31.8+3.24)5 31.54(6+3)0.64257.8+2.2 22.5+2.52 36.254.259.9 51807056 242.42.50.8 (4121+2389)7 67115-974 46912+1492 19.46.12.3 5.670.2-0.62 18.10.92+3.93 0.40.70.25 0.78+5.436+1 4.8 54+14 9.9x56+56 10.34x89-13 14.31x56-56 16.59x18-14x27 20.3x29+13 35.95（64-45）36.178-14556+42 7.20.8-1.25 6.5（4.8-1.24）28-(3.4+1.252.4)2.557.1+2.457.1 7779+11113 （31.8+3.24）5 31.54(6+3)0.64257.8+2.2 22.5+2.52 19464.81.80.9 36.724.259.9 51807056 242.42.50.8 (4121+2389)7 67115-974 46912+1492 405(3213-3189)19.46.12.3 5.670.2-0.62 18.10.92+3.93 0.04324+0.875 0.40.70.25 0.78+5.436+1 4.070.86+9.1224078（154-115）14372727563 75-（12+18）15 2160（83-79）18 280840245 32513(266250)85(95144024)58870(105202)14372727563 81432(135278)37.85-（7.85+6.4）30（947599）7664 36(91327623)192（5438）67 81432(135278)（947599）7664 60(9.528.9)0.182.8810.430.243.5 0.815.5-(3.21+5.79)（31.8 3.24）519464.81.80.9 36.724.259.9 3.416（0.01635）0.8(106.76)1.2 (6.8-6.80.55)8.5 0.12 4.80.124.8（58+37）（64-95）812-700（9+3111）156(17.7-7.2)3（3.21.5+2.5）1.6 85+14（14+20826）120-36418+35 9.721.6-18.3057 3.2（1.5+2.5）1.6 （58+37）（64-95）(6.8-6.80.55)8.5 0.12 4.80.124.8 （3.21.5+2.5）1.6 120-36418+35 15-10.750.4-5.7 347+452-416052（58+37）（64-95）（7.1-5.6）0.9-1.15 2.5（3.21.5+2.5）1.6 5.42.6（3.7-2.9）+0.62126（12-7.2）-6 3.26+（1.5+2.5）1.6（3.21.5+2.5）1.6 120-14418+35 347+452-416052（58+37）（64-95）95（64-45）812-700（9+3111）120-36418+35(6.8-6.80.55)8.5 0.12 4.80.124.8 0.815.5-(3.21+5.79)（31.8+3.24）5 31.54(6+3)0.64257.8+2.2 22.5+2.52 19464.81.80.9 36.724.259.9 51807056 242.42.50.8(4121+2389)7 67115-974 46912+1492 405(3213-3189)0.8(106.76)1.219.46.124 5.670.2-0.6218.10.92+3.9324+0.875990.40.70.250.75102 100-56.23 31.5016040（58+370）（64-45）32.120-14418+35 33.347+452-416052 34（58+37）（64-95）35.95（64-45）36.178-14556+42 420+580-642128 37.812-700（9+3111）（136+64）（65-34523）38.85+14（14+20826）120-36418+35（58+37）（64-95）(6.8-6.80.55)8.5 0.12 4.80.124.8（3.21.5+2.5）1.6 3.2（1.5+2.5）1.6 31.5016040（58+370）（64-45）32.120-14418+35 33.347+452-416052 34（58+37）（64-95）35.95（64-45）36.178-14556+42 420+580-642128 812-700（9+3111）（136+64）（65-34523）（284+16）（512-820818）120-36418+35（58+37）（64-95）(6.8-6.80.55)8.5 0.12 4.80.124.8（3.21.5+2.5）1.6（23.2（1.5+2.5）1.6 45.6-1.64=5.38+7.85-5.37=46.70.8-1.25=6-1.193-0.43=47.6.5（4.8-1.24）=0.681.9+0.321.9297999198321+213017(0.123+123)10093424+34810.80.196+0.094105+8955732.4723+2739.0118.3-90176.5+2-218449+231431995299+522532125