五年级小数加减乘除混合运算计算题练习题.docx

1、五年级小数加减乘除混合运算计算题练习题小数混合运算专项训练1、解方程。15x450 2126x42 2、用简便方法计算。10.25 12.5 23643、用脱式计算。4.8160.25+1.2514-(9.85+1.07) 60-(9.5+28.9)3.5 20(2.44-1.8)0.4+0.157779+111115.5-(3.21+5.79)4) 4(6+3)257.8+2.2 229.9 51807056 240.8 (4121+2389)7 67115-974 46912+1492 0.25 0.78+5.436+1 4. 8 54+14 9. 9x56+56 10. 34x89-13

2、 14. 31x56-56 16. 59x18-14x27 20. 3x29+13 35. 9564-45 36. 178-14555 2.4) 7.1 7779+11113 44(6+3) 257.8+2.2 22 9.9 51807056 240.8 (4121+2389)7 67115-974 46912+1492 405(3213-3189) 0.2-0.62 24+0.875 0.25 0.78+5.436+10.86+9.12 24078154-115 14372727563 75-12+1815216083-7918 280840245 32513(266250) 85(9514

3、4024) 58870(105202) 1437272756381432(135278) 37.85-7.85+6.4 309475997664 36(91327623) 192543867 81432(135278)9475997664 60(9.528.9)15.5-(3.21+5.79)40.9 35(106.76)0.55)8.5 4.8 58+3764-95 812-7009+3111 156(17.7-7.2)31.5+2.51.6 85+1414+20826 120-3647 1.5+2.51.6 58+3764-950.55)4.8 1.5+2.51.6 120-36418+3

4、5 0.4-5.7 347+452-416052 58+3764-95 7.1-5.60.9-1.15 1.5+2.53.7-2.9+0.621266+1.5+2.51.5+2.51.6 120-14418+35 347+452-416052 58+3764-95 9564-45 812-7009+3111120-3640.55)8.5 15.5-(3.21+5.79)44(6+3) 257.8+2.2 22 9.9 51807056 240.8 (4121+2389)7 67115-974 46912+1492 405(3213-3189) (106.76)1.22499102 100-56

5、.23 31.5016040 58+37064-45 18+35 33.347+452-416052 3458+3764-95 64-45 56+42 420+580-642128 9+3111 136+6465-34523 38.85+1414+20826 120-36418+35 58+3764-90.55)8.5 1.5+2.51.6 1.5+2.51.6 31.5016040 58+37018+35 33.347+452-416052 3458+3764-95 56+42 420+580-642128 812-7009+3111 136+6465-34523 284+16512-820818 120-36418+35 58+3764-95 0.55)4.8 1.5+2.51.5+2.51.6 4= 5.38+7.85-5.37= 3-0.43= 297999 198321+213017(0.123+123) 1009 3424+34810.196+0.094 105+8955776.5+2-2184 49+23143199 5299+52 2532125