6年级小数乘除法计算题练习

1、46) (3.2+0.128) +0.8 2 )=69) 13.73 X5.8+4.2 X 13.73计算(能简算的要简算)1) (3.2+0.12) +0.8 =2) 1.75 +0.25 +0.4 =3) 4.6 1.75 +2.08 =4) 1.54 + 2.08 + 3.92 + 8.46 =5) 8.65 ( 2.16 + 1.65)=6) 3.6 +0.1 1.02X5=7) 0.36 + (6.14.6) X 0.8=8) 0.175 +0.25 X4=9) 0.65 X 6.4 0.65 X 2.4 =10) 2.5 X1.6 义 1.8 =11) 17.24 5.92 7.2

2、4 =12) 7.2 X 6.5+6.5 X 2.8 =13) 2.5 X0.32 X 1.25 =14) 1.25 X 11-1.25 =15) 7.5 X9.9 +7.5 X0.1 =16) 7.6 X4X 2.5 =17) 1.5+0.125 X8 =18) 0.48 X3.5 +0.52 X3.5 =19) 6.15 X9.4 -5.4 =20) 4.5 X 0.9+5.5 X 0.9 =21) 1.25 X 0.16X2.5 =24) 12.4 2.42 6.5825) 6.8 X 3.2 +58X0.68 +6.826) 8.5 + 1.5 +0.25 X427) 12.4 +48

3、.5X0.0428) 0.92+0.41.3 +0.0129) 3.6 X 0.9930) 0.465 +0.125+0.8 =31) 0.07 X 49+0.07 =32) 34.8-3.48 义 4.05 =33) 70.8-6.25-1.75=34) 2.6 X 10.1 =35) 127.36-27.36 +7.6 +0.1 =36) 0.25 X 4+0.25 X4 =37) (17.2-8.1 +0.5) +0.001 =38) 0.175 +1.25 X8=39) 120-20 +25X 3 =40) 12.5 X0.72=41) 4.8 +0.048-3.26 +0.1 =42

4、) 5.86+1.8 X1.2+4.14 =43) 9.9 义 4.6 =44) 3.6 X 1.2 +0.36 =47) 1.98 +0.18 +0.11 =48) 0.48 + (6.1-4.6) 乂 0.8=49) 1.8+1.2 X6.550) 2.5 X17.2 X0.451) 3.7-0.6 X0.1252) 12.5 X0.7253) 2.1 X10.154) 0.07 X 49+0.0755) 40.2-6.18-13.8256) 1.6 X0.9957) 0.75 X 125.4-25.458) 34.8-3.48 X4.559) 5.01 -1.9+4.9960) 4.5

5、X3.6 +5.2 X 0.3561) 2.5 X0.4+2.5 X0.462) 57.6-7.6 乂 563) 4.8 X3.6+7.4 X4.8-4.864) 15.73-3.4-5.7365) 16.39-2.28-2.7266) (10-3.4 X0.25) + 1567) 4.8 义(11.03-15.6 +7.5)70) 4.9 + 2.6-(12.78-10.88)71) 3.2 +3.5 +6.8 +6.572) (1.79+1.2 X0.1) +0.2573) 46 X 0.05+0.5 X5.474) 12.8 + 8 X(1.8-1.3)75) 3.9 X6.2 +6.2

6、 X6.176) 5.4 X 11-5.477) 4.2 X (6.18-3.03)78) 1.2 + 2.5 X (4.3-2.7)79) 6.9 X 3.6-4.84 +0.480) 10.7 义 16.1-15.1 义 10.781) 0.8 X 13- (6.88+5.22 )82) 52.8 + 13.2 (4.5 1.6)83) (20+0.92 + 0.4) - 1.1 +0.584) 4.7 X 3.08-14.5685) 7.25-3.86-2.1486) 6.73 义 5.8+4.2 X6.7387) 4.9 + 2.6-(12.78-10.88)88) 72 X 0.03

7、+0.3 X2.889) 5.8 + 8 X (1.8-1.3)90) 1.25 X 16X2.568) 7.85-3.76-2.2491) 3.8 +6.2 X3.8 +6.292) 12.4 3.42 6.5810 X0.0 =0.3 X 1.4 =0.14 X 4 = 0.05 X 7 =0.92 义 0.4 =0.2 义 0.26 =0.02 X0.1 = 1.2 X 0.3 =0.2 X 0.4=8.2+1.8 =100 35.22 =0.18 义 15=2.3 X4= 2.5 X0.4 =0.15 X3.52 = 12.5 X8 =3.6 X 0.4=12.5 X8=2.4X5=0

8、.22X4=3.25 X0=1.47+0.7=0.9 0.52 =3.99X 1 =9.6+0.6=5.46+3.215 X100= 0.8 X10=8+10=10-1.8-7.2=0.43+3.57=2.5 X4X 12=0.9 X 0.8=7.5x-3x =a+3a+7a=1.05 x100=1 + 0.5=0.96+3=5.4+6= 0.16.5 X 10=0.56 X100= 3.78 X 100=4 + 0.8 =93) 9.17 +(5.8+4.2+0.83)94) 6.8 X 3.2 +58X0.68 +6.895) 8.3 X1.01 -0.83 X0.196) 77.2 +1

9、7 43.2 + 1797) 0.25 X 17.2 X0.498) 1.25 X0.7299) 3.7-3.7 X0.9100) 2.4 +1.25101) 5.7 X 29+5.7102) 50.2-5.28-13.72103) 1.6 X9.9104) 12.8-1.8 X0.4105) 8.7+1.3-8.7+1.3106) 3.8 +6.2 X 3.8 +6.2107) 6.84 +0.1+6.84 +0.01108) 0.49 + 2.6-(10.78-8.88)109) (2.34+7.54 ) +0.2110) (103-33.6 +21) X 15六年级小数乘除法计算题练习一

10、、计算题(30分)1、直接写出得数0.45 X2.5 =0.8 义 1.25 =0.3 X3.6 =0.3 X0.3 =4.08 X100=1.1 X0.2 =0.6 X0.8 =3X0.9=3.94+34.3 X0.212.5 X0.4 X2.5 X82.5 X0.4=50X0.04=80X0.3 = 1.1 X 9=0.16X5=1.78+2.2 =2、用竖式计算0.396 + 1.2=90.75+3.3=0.025 X14=3.06 X 36=3.84 X2.6 =16.9 + 0.13=46.1 +59=0.756 + 0.36=3.7 X 0.0165.6 X13=0.04 X0.1

11、2 =76 + 5=1.55 + 3.9=0. 89 + 3.2=3、脱式计算（能简算的要简算）2.5 X7.1 X416.12 X99+16.127.28 X 99+7.284.3 X 50X0.264-2.64 X0.526X 15.7 + 15.7 X24(1.25 -0.125) X84.8 -4.8 X0.59.5 X1018.7 X 17.4 - 8.7 X 7.42.08 X(9.6 +2.4) +4.85.2 X 0.9 + 0.9二、解方程：7.5x3x=182.4X=26.43x+6x=63.6用竖式计算0.396 +1.2=0.756+ 0.36=15.6 X13=0.1

12、8X 15=0.025 义 14=3.06X36=0.04 X0.12 =0.042X0.545.76 X3 =7.15X2290.75 +3.33.68X0.2516.9 +0.131.55+ 3.93.7 X 0.0160.76X0.321.08 X254.8X 0.25 =0.125 X 1.4 =（保留两位小数）2.5 +0.7=（保留三位小数）10.1 +3.3=（商用循环小数）10.75+12.5=（用乘法验算）3.25 X 9.04=（用除法验算）（循环小数的用简便方法，除不尽保留2位小数）：小数乘除法计算题8.2+0.120.8+0.976.4 +5.44.7+31.25 +

13、1.212.5 X0.4 X2.5 X83、脱式计算(能简算的要简算)2.5 X7.1 X416.12 X99+16.125.2 X 0.9 +0.97.28 义 99+7.284.3 X 50X0.264-2.64 X0.526X 15.7 + 15.7 X24(2.275 +0.625) X 0.283.94+34.3 X0.21.2 X(9.6 +2.4) +4.88.9 X1.1 X4.72.7 X5.4 X3.93.6 X 9.85-5.468.05 义 3.4+7.66.58 X 4.5 X0.92.8 X0.5+1.54.8 X 100.156.5 X 99+ 56.57.09

14、义 10.8-0.8 X7.094.85 + 0.35+ 1.48.7 X 17.4 - 8.7 X 7.40.87 X 3.16+4.649.5 义 1010.68 + (5.2 -3.5 ) X 1.250.25 X 185X4040.5 + 0.81 义 0.184.8 X (15 - 2.4 )6.81+6.81 X994.4 X 0.8 3.4 X0.8四年级下册计算题库(一)一一小数的加法和 减法1.小数数位相同的加减法(竖式计算)27.38+4.83=26.75+2.83=3.64-2.58=6.52-3.44= 15.31+13.51 =5.5+4.5=3.27-2.49=11

15、.65-7.39=19.01-7.99=7.51+0.49= 5.48-3.25=4.8+18.9=10.3+58.7=8.03-4.56=9.03-8.57=8.25+1.55=9.43-9.05=1.75+2.08=4.28-3.37=4.13+2.24=12.03+0.875=4.17+2.53=5.07-0.98=5.67-0.73=13.18+5.27=5.16+7.89=2.小数数位不同的加减法（竖式计算）26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=7.3-2.25=3.8+3.54=3.05-2.9=3.1-2.07=12.

16、7+6.58=7.81-3.735=12.16+5.347=0.4-0.125=18.7+3.96=9.6+4.78=5.67-0.845=0.506-0.19=11.04-7.3=1.4-0.405=62.1-17.07=1.4-0.405=3.906+0.66=43.5-27.34=15.98-3.9=75.6-3.55=5.94+10.7=37.8+3.02= 0.704-0.25=10.1-0.55=3.整数与小数的加减法10+10.1 =13.99+1 =10-0.81 =8-7.089=95-9.85=96.85-85=（竖式计算）27+8.03=26+7.98=7.88+2 =2

17、8-3.56=10-0.36=20-0.92=45-0.45=20-9.42=45.45-45=3.57+3=35.09-11 =10-0.41 =4.小数加减混合运算（递等式计算）5.03-2.5+0.9622.8-5.23-9.12523.66+4.34-3.5615.9+3.26+4.1710.75+0.4-9.47350-28.5-13.4513.79-9.653+170.571.5+0.68-0.30672.8-8.6+5.845.6-0.81-1.2920.8- (15.98-3.9 )32.5+ (5.07+6.13 )3.52- (4.66-3.82 )67.2+41.5-71

18、.3916.23+8.92-7.565.小数加减简便运算（递等式计算）0.9+1.08+0.92+0.18.03-4.56=9.03-8.57=1.4-0.405=10.3+58.7=5.26+3.43+0.7420.15+7.62+7.8548.14-2.43-7.575.17-1.8-3.24.02-3.5+0.9823.04-0.8-13.4-6.215.13+4.92-5.133.98-1.5+6.025.6+2.7+4.451.27-8.66-1.3418.76-3.47-0.5370.8-1.25-1.754.25-0.83+0.754.8+1.2-4.8+1.230.99- (8

19、.5+15.99 )72.6- (22.6+3.45 )36.06- (5+6.06)四年级下册计算题库（一） 减法小数的加法和1.小数数位相同的加减法（竖式计算）27.38+4.83=26.75+2.83=3.64-2.58=6.52-3.44=15.31+13.51 =5.5+4.5=3.27-2.49=11.65-7.39=8.25+1.55=9.43-9.05=4.28-3.37=4.13+2.24=5.07-0.98=5.67-0.73=5.16+7.89=1.75+2.08=4.17+2.53=13.18+5.27=2.小数数位不同的加减法（竖式计算）26.8+3.02=6.07-

20、4.993=3.7+2.36=15.4+2.97=10.2-8.75=7.3-2.25=3.8+3.54=3.05-2.9=3.1-2.07=12.7+6.58=7.81-3.735=19.01-7.99=7.51+0.49=5.48-3.25=12.16+5.347=0.4-0.125= 18.7+3.96=9.6+4.78=5.67-0.845= 0.506-0.19=11.04-7.3=1.4-0.405=62.1-17.07=4.8+18.9=3.906+0.66= 43.5-27.34=1.5+0.68-0.30672.8-8.6+5.8415.98-3.9=75.6-3.55=5.

21、94+10.7=12.03+0.875=37.8+3.02= 0.704-0.25=10.1-0.55=3.整数与小数的加减法（竖式计算）10+10.1 =27+8.03=26+7.98=13.99+1 =7.88+2 =28-3.56=10-0.81 =10-0.36=20-0.92=8-7.089=95-9.85=20-9.42=35.09-11 =96.85-85=45.45-45=10-0.41 =45-0.45=3.57+3=4.小数加减混合运算（递等式计算）5.03-2.5+0.9622.8-5.23-9.12523.66+4.34-3.565.6-0.81-1.2915.9+3.26+4.1767.2+41.5-71.3910.75+0.4-9.47316.23+8.92-7.5620.8- (15.98-