1、小数加减（一） 73.4+52.1= 93.1-20.9= 63.1-11= 0.33+9.8= 3.56-0.54= 5-4.15= 2.5+9.5= 2.87+1.13= 12.56-10.2= 3.65+1.92= 1-0.04= 0.39+1.5= 4+0.05= 7.1-1.7= 2.9-2= 10-4.3= 0.4+0.5= 0.64-0.52= 3.8+6.2= 1.2+1.8= 2-0.99= 0.78+2.2= 2.5+3.2= 9.8-4.8= 1.29-0.18= 2.26+0.9= 8-0.82= 0.75+0.25= 1.4+0.5= 10.8-8.5= 6.4+1.
2、07= 0.55+5.5= 1.05-0.09= 0.6+6.45= 4.13-1.8= 0.46+0.54= 1.07-0.47= 1.28+0.22= 2.4-1.9= 0.06+1.5= 2.5-0.9= 4.2+0.53= 3.64+4.36= 5.6+4.4= 0.4+8.7= 4.5+3.8= 1.4-0.6= 7.4-3.8= 5-3.4= 0.28+0.41= 3.8+0.12= 0.57+0.6= 小数加减（二） 6.4-0.5= 6.7-5.8= 9.8-3.8= 7.8+6.4= 4.6+2.7= 4.5+2.7= 5-1.6= 3-0.6= 3-1.2= 6.7+7.6
3、= 5.4+7.8= 2.6+3.6= 3.5-1.7= 8.3-2.6= 1.4-0.7= 4.5+2.8= 7.4+2.6= 6.2+1.4= 5.4-2.6= 2.3-1.4= 3.7-1.8= 5.2+1.6= 3.6+0.8= 0.66+1.4= 6.5-5.8= 0.72-0.49= 0.42-0.28= 0.24+0.19= 2.4+1.3= 4.5+2.3= 0.72-0.27= 0.78-0.32= 0.65-0.04= 0.23+0.16= 0.29+0.15= 0.16+0.19= 4-1.2= 7-4.6= 6-0.37= 0.28+0.27= 0.75+0.42= 2
4、.3+1.9= 8-0.64= 2.7-0.8= 10-4.2= 7.1-3.9= 4.3-1.4= 2.6-1.6= 0.8-0.3= 0.65-0.4= 0.91-0.6= 1.8-1.6= 4.8-0.5= 3.2-0.4= 小数加减（三） 9.8-4.8= 12-8.3= 15.2-6.5= 20.1-11.1= 13.34-10.32= 6.52-0.48= 6.3-5.1= 8.7-3.6= 14.3-4.3= 1.5+0.54= 10-4.2= 2.47+3.24= 2.98+0.56= 5.64-1.78= 8.02+0.98= 7.1-3.9= 2.8+11.39= 12.5
5、3+4.67= 7.2-6.45= 1.65+3.35= 7.96-1.45= 60-1.27= 6.07+4.89= 5-0.41= 0.9+0.5= 2-0.7= 1.2+4.3= 0.12+0.3= 5.4-2.7= 6+2.9= 3.7-1.7= 4.2+0.8= 7.5+2.5= 2.2+4.3= 9.5-7.1= 3.5+1.6= 5.2-2.8= 7.8+1.6= 9.6-4.1= 10-4.2= 5.1-2.5= 4.1-3.4= 1.2+3.8= 9.6-4.1= 7.8+1.6= 3.5+1.6= 4.4-1.4= 2.9+2.1= 3.5+1.2= 4.8-3.4= 6.
6、9-2.5= 2.5+7.8= 8-5.4= 6.9-2.5= 小数加减（四） 2+3.5= 6.8-2.2= 4.7+5.4=4.1+8.8= 2.2+5.5= 9.6-2.1= 1.7+3.8= 7.4-3.6= 0.8-0.23= 1.6+2.4= 4.7+3.5= 1.2+3.6= 1.5+3.8= 2.8+1.2= 7.3+2.7= 6.2-3.7= 4.2-3.9= 0.54+0.65= 7.5-5.2= 0.7+0.5= 0.32+0.47= 8.3-6.3= 7.2+0.42= 0.48+0.52= 0.8-0.25= 43.5-0.65= 0.32-0.16= 0.35+0.
7、55= 0.87-0.8= 0.24-0.08= 0.92-0.37= 1.4+0.6= 3.6+4.2= 0.72-0.48= 6.8+3.2= 7.1-3.4= 0.42+0.66= 0.32+0.68= 2.8+7.2= 0.65+0.19= 3.09+1.2= 3.25+5.64= 0.25+0.47= 0.82+0.18= 7.8+2.4= 0.45-0.18= 0.4+0.16= 8.2+1.8= 0.73+0.27= 8-3.2= 9.8-4.8= 3+2.4= 2.8-0.9= 小数加减（五） 1.29-0.18= 5.1-0.8= 10-0.3= 9+0.1= 8.9-4.9
8、= 6.8-0.7= 8-0.72= 6.6-3.4= 6.4+1.3= 1.2-0.8= 7.3+6.2= 8.7+3.6= 12.3+0.7= 0.8+9.2= 4.7-1.9= 5.1-3.9= 1.4-0.6= 3.8+6.4= 0.6+7.45= 4.9+0.1= 4.5+3.2= 1.8+0.9= 6.5+0.5= 10.5-6.5= 7.5+0.5= 0.78-0.28= 12.8-2.8= 9.6-2.3= 3.8+0.12= 0.8-0.08= 10-7.4= 7.5-3.2= 0.42+0.58= 0.8+0.15= 2.5+0.4= 8.2-2.6= 1.4-0.7= 2
9、.5+4.6= 0.5+9.8= 6.7-2.6= 7.2+5.9= 8.7-3.6= 5.69-2.48= 2.9+4.1= 9.1-6.7= 2.03+1.2= 8.6-4.9= 1.3+2.03= 9.46-7.21= 1.56+2.24= 3.5-1.25=小数加减（六） 0.750.4= 200.78= 4.84.2= 5.73= 4.91.7= 1.340.8= 20.75= 8.7 0.03= 0.20.09= 8.52.5= 3.41.4= 0.680.42= 7.827.2= 29.1= 0.480.52= 8.15.1= 0.780.24= 0.80.18= 0.890.2
10、5= 1 0.98= 0.90.1= 10.8= 4.54= 5.6 4= 5.73.3= 104.4= 66.6= 9.52.7= 1 0.55= 3.74.8= 73.3= 3.250.75= 2.73.9= 0.7 0.9= 10.44 0.91= 14.60.4= 10 0.1= 140.78= 32.7= 5 0.08= 1.642.35 = 1.11= 8.346.22= 12.63.4= 1.34.3= 7.26.9= 9.38.8= 4.415.99= 19.85.6= 96.356.2 = 79.256.8= 1.925.793= 8869.21= 10-0.6= 4.3+1
11、.7= 93.27-12.56= 15.6+3.2= 45.6+90.1= 30.48+4.295= 75.42-14.34= 103.27+96.7= 小数加减（七） 脱式计算。 8.56-4.65+8.29 5.76+8.65-0.89 32.5+13.29-18.04 24.5+（3.74-0.98） 10-1.39-4.205 60.6-（3.14+0.4 ） 18-（4.6+2.08） +0.02 4.69+3.02+0.04+2.7 小数加减（八） 用简便方法计算。 6.38+7.56+3.62 24.56-3.81-4.19 5.34+6.18+4.66+3.82 59.2-1.
12、43-8.57 3.92+4.7+0.08+5.3 （3.38+2.75）+0.25 9.1+6.8+3.2+0.9 0.473+5.6+0.527 2.80.7= 130.15= 0.390.6= 0.38600= 7.052.4= 0.467.9= 89.37.6= 60.5400= 12.58.28 0.231.40.238.6 0.125（800.8） 0.40.162.5 5.6101 7.8599 1.15991.15 16.210116.2 4.57.85.57.8 3.0518= 0.372.31= 4.618.9= 40.54.2=2.8+7.20.81 0.342.50.4
13、 1.251140.8 8.935.78.933.38.93 4.82102 0.70.46+0.70.54 14.34.3= 1.50.54= 104.2= 2.980.56= 8.020.98= 7.13.9=2.811.3= 12.54.6= 7.26.45= 1.653.3= 7.91.45= 601.27= 6.074.8= 50.41= 0.90.5= 20.7= 1.24.3= 5.42.7= 62.9= 3.71.7= 4.20.8= 7.52.5= 2.24.3= 9.57.1= 3.51.6= 5.22.8= 7.81.6= 9.64.1= 104.2= 5.12.5= 4
14、.13.4= 1.23.8= 9.64.1= 7.81.6= 3.51.6= 4.41.4= 2.92.1= 3.51.2= 4.83.4= 6.92.5= 2.57.8= 85.4= 6.92.5= 23.5= 6.82.2= 4.75.4= 4.18.8= 2.25.5= 9.62.1= 1.73.8= 7.43.6= 0.80.23= 1.62.4= 4.73.5= 1.23.6= 1.53.8= 2.81.2= 7.32.7= 7.32.7= 6.23.7= 4.23.9= 0.540.65= 7.55.2= 0.70.5= 0.320.47 = 8.36.3= 7.20.42= 0.
15、480.52= 0.80.25= 43.50.65= 0.320.16= 0.350.55= 0.870.8=0.240.08= 0.920.37= 1.40.6= 3.64.2= 0.720.48= 6.83.2= 7.13.4= 0.420.66= 0.320.68= 2.87.2= 0.650.19= 3.091.2= 3.25.64= 0.250.47= 0.820.18= 7.82.4= 0.450.18= 0.40.16= 8.21.8= 0.730.27= 83.2= 9.84.8= 32.4= 2.80.9= 1.290.18= 5.10.8= 100.3= 8.94.9= 6
16、.80.7= 80.72= 6.63.4= 6.41.3= 1.20.8= 7.36.2= 8.73.6= 12.30.7= 0.89.2= 4.71.9= 5.13.9= 1.40.6= 3.86.4= 0.67.45= 4.90.1= 4.53.2= 1.80.9= 6.50.5= 10.56.5= 7.50.5= 0.780.28= 12.82.8= 9.62.3= 3.80.12= 0.80.08= 107.4= 7.53.2= 0.420.58= 0.80.15= 2.50.4= 8.22.6= 1.40.7= 2.54.6= 0.59.8= 6.72.6= 7.25.9= 8.73
17、.6= 5.62.48= 2.94.1= 9.16.7= 2.031.2= 8.64.9= 1.32.03= 9.467.2= 1.562.24= 3.51.25= 0.750.4= 200.78= 4.84.2= 5.73= 4.91.7= 1.340.8= 20.75= 8.70.03= 0.20.09= 8.52.5= 3.41.4= 0.680.42= 7.827.2= 29.1= 0.480.52= 8.15.1= 0.780.24= 0.80.18= 0.890.25= 10.98= 0.90.1= 10.8= 4.54= 5.64= 5.73.3= 104.4= 66.6= 9.
18、52.7= 10.55=小学四年级数学上册简便运算练习题 2534 2543 2562 3625 813125 2574 198125 251312532 1399 1252532 251625 12556 （25 15）4 4251625 1225 9842 10192 125768 17425 253340 10235 125198 2512516 125792 12532 2548 200825 12425 251740 2512584 138254 (13125)(38) 50(344)3 28425 1253225 972125 5898 (13125)(38) (12+24+80)
19、50 2532125 70425 138254 7524 10276 12588 70425 52892 （12525）4 88102 2564125 460508 5898 25424 681258 43925 2532125 47525 88125 2524 180125 2544 10276 10332 382101-382 （25+15) 4 358+356-435 425+1625 26396126 3569569 995555 7810178 52764776 76 13456134 45 134 48522448 32(25+125) 32(25+125) 83102832 98
20、199 178101178 8436+6484 7599+275 123181233+85123 25（ 24+16） 4949+4951 17899+178 7942+79+7957 （ 125 + 17）8 4999+49 2. 724+2624+724 8582 + 8215 2597 + 253 641514 15 8799 + 87 6693+9333+93 7610176 3645+365636 36975836+6136 7925 + 25 491022 49 1. 38498254 125（80+8） 125（40+8） （100-4） 25 （80-4 ）25 5732+3243 17361-7361 5214-2214 81+7919 10132-32 72+9972 （20-4 ）25 12347+17747 5286-6128
