1、1（一）(16.8+1.6) 4 0.490.7 0.750.8 0.134 2.40.8 8.5100 5.410 4.21000 3.2100 0.450.15 180.3 1.20.3 8.51.7 0.0425 53.7317.49 8.760.35142.47.6 1.582.42 7.85.6 1.254 7.80.5 3.92.7 0.240.3 2.54 0.310 1.258 04.8 777.7 123.8 8.10.05 0.240.3 0.20.52.53= 4.4(50.2)= 71.3= 0.960.06=5.75.7 40.5= 72.1= 8.89+0.1= 2
2、40.25= 0.10.01= 2.40.8= 90.4= 30.2-3.02= 4.3-0.25= 1-0.82= 9.60.3=2.60.01= 025.4= 4.80.4= 5.4+4.62.8= 9-3.20.8= 100.01= (1.5+2.4)0.2= 1.7+1.30.4=3.623.6= 8.50.5+0.6= 7.20.8= 5.40.6= 9.50.1= 102.5= 350.05= 0.640.4=2.50.5= 0.360.3= 0.350.7= 130.70.7= 40.80.251.25= 6.450.01= 0.360.03= 0.080.001= 2（二）0.
3、010.2= 7.52.5= 8.80.2= 0.966= 0.750.5= 0.75= 0.081000= 0.16.7= 1.60.5= 2.54= 0.740.4= 7.53= 3.740= 0.80.6= 0.050.08= 801.25= 0.137= 3.54= 2.80.52= 40.5=8.2+2.6= 8.12.5= 5.52= 9.64.8=31.52= 23.1= 2.40.5= 0.12580.1=7.160.4= 1250.8= 2.62= 3.440.25= 0.486= 6.44= 0.63+3= 0.9113=3.25+0.75= 9.90.90.1= 0.25
4、4= 4.88=0.5+0.50.5= 500.8= 0.9933= 1.37=20.4= 2.14010= 3.50.1 3.60.09= 2000.04 12-1.2 47.52.5= 4.50.1=2.40.8= (2.72.7) 3.5= 1.30.5 0.420.6 3.20.5= 0.210.3 2.5-1.37= 5.5110.75= 3.5 1= 0.270.036= 1250= 6.643.3= 1. 8.20.7=. 2.0.532= 3.3.20.8=9.46= 5.0.80.92= 1.2 3.6+1.4 1.2= 10.48471.2= 3（三）0.85101= 0.
5、2835= 2.51.2532= 2.45 11.25 0.450.09 6.20.03 0.1250.125 9.92.50.4 90.18 0.2516 0.7883.054 6.82 5.23.054.8 1.050.1 17.57.52 4.221 8.60.7= 7.60.23= 16.732.5= 8.530.99= 7.30.5= 5.80.29=580290= 8.6181.418= (8.61.4)18= 0.10.2 3.57.5 4.20.1 990.35 0.050.8 1.233 0.3612 7.52.54 1.70.433.3 5.430.86= 5.240.99
6、= 0.650.22= 10.125= 0.1251= 4.3216 2.560.37 3.530.99+1.8 161.6 0.360.2 4.7+2.3= 4.52= 6.92.5= 0.360.4= 0.640.8= 0.723.6= 3.624= 0.81.1= 4.80.3=0.962= 0.5628= 12.84= 5.213= 12.55= 1.6441= 1020= 2415= 8.6510= 0.350.6= 3.080.01= 4.951000= 6.90.1= 1.250.8= 0.75100= 0.020.5= 4（四）7.20.8= 3.60.3= 0.1258= 1
7、.40.5= 7.2+12.8= 6.37= 0.750.25= 0.40.5=2.40.8= 46.73.8= 5.6100= 0.22102= 90.254= 0.253.974= 10.89= 9.60.8= 0.1082= 2.58= 3.90.13= 7.20.1= 0.010.1= 0.250.4= 1.60.8= 3.212.5= （1.28.8）0.4= 1.50.4 72.80.8 0.90.011.7+0.43+3.3 120.3 5.61.01 990.350.390.13 0.6520 6.20.62 70.25 0.750.5= 0.75= 0.081000= 0.1
8、6.7= 1.60.5= 2.54= 0.740.4= 7.53= 0.620.38 0.350.31 0.620.38 0.390.13 6.20.62 2.40.5 0.6520 2.90.5 0.510.5 6.10.01 0.340.36 2.40.50.390.13= 0.510.5= 6.10.01 0.350.350.620.38 0.390.13 0.6520 6.20.620.510.5 0.620.38 0.6520 6.20.620.9910= 03.52 2.55 8.47 5（五）0.254= 0. 070.5= 330.04= 6.54=2.30.06= 150.0
9、8= 0.090.9= 4.70.1=540.8= 1.60.03= 0.80.9= 0.6100=17.50.01= 3.20.5= 250.4= 12.50.8=66.5= 3.60.7= 6.50.4= 8.50.2=0.660.3= 2.50.4= 7.70.8= 0.01220=4.60.4= 30.09= 2.20.05= 4.10.6=0.750.4= 230.4= 0.32100= 5.52=4.7310= 023.5= 0.254= 7.20.5=3.30.5= 600.8= 3.40.6= 0.1258=4-1.4= 82-7.2= 19+9.1= 4.1-0.89=5.6
10、8+0.42= 6.1-5.1= 0.72- 0.24= 0.8+0.18=0.89-0.25= 1-0.98= 0.048+0.52= 5400=19.9+11.1= 1871000= 1+3.89= 0.08110=7510= 0.968= 0.87= 1.57=1.328= 0.78= 10.32= 50.6=0.90.3= 3.50.2= 2.010= 100.05=0.137= 0.21100= 0.74= 0.054=6（六）0.98-0.09= 0.2+0.78= 6000.7= 10.2+0.02=0.15+0.7= 670+250= 10.2+0.2= 9.2-6=85005
11、00= 3.2-3.2= 3.7+2.3= 25100=3.2-0.32= 2+2.8= 380-290= 0.35+0.5=0.35+0.63= 350070= 3.1+3= 3.8+0.38=7500250= 3.8+1= 0.95-0.05= 450+780=3.1+0.3= 3+0.3= 6309= 4.5-0.4=9.5-5= 3309= 9.53-1.53= 9.5-0.5=3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13=4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2=0.74+0.16= 23100= 9.8-4.8= 48040=0.
12、53100= 5.1+2.3= 12580= 0.07810=0.52+0.4= 7012= 0.25100= 3.4-2.8=0.6-0.37= 0.05210= 10+0.08= 1-0.75=0.51000= 0.82+0.3= 13.5+6.5= 3.05100=1.2-0.8= 21.6-12.6= 63100= 0.83-0.5=0.76+0.14= 801000= 2.7+0.4= 0.72-0.43=30100= 0.92-0.2= 3.5+4.8= 3.5+2.4=7（七）6000.03 16040 0.2330 501.2330030= 9600300= 4000500=
13、2500500=1.4300= 0.26200= 0.5090= 56070= 1500300= 0.05200= 72009= 0.1820=4.50250= 0.690.30.1= 0460400= 6.80.68128=720094= 96056= 3500.20.5= 12.584=12424 5.625.6 8.41.64 6.3790（0.165 1.782.2 = 1.25= 0.70.01= 2.50.4 = 1.258= 6.60.6 = 5.375=0.745dm=( ) 0.125dm=( ) 0.258dm=( ) 1.28dm=( ) 8.52dm=( ) 9.65d
14、m=( ) 7568dm=( )m 3542dm=( )m 3652dm=( )m1245dm=( )m 3241dm=( )m 9874dm=( )m9568dm=( )m 9821dm=( )m 9346dm=( )m7153dm=( )m 3254dm=( )m 6103dm=( )m9045dm=( )m 6240dm=( )m 325dm=( )m0.321m=( ) dm 0.123m=( ) dm 0.456m=( ) dm0.789m=( ) dm 0.654m=( ) dm 0.369m=( ) dm8（八）0.147m=( ) dm 0.426m=( ) dm 0.746m
15、=( ) dm0.6874m=( ) dm 01254m=( ) dm 0.6589m=( ) dm0.9856m=( ) dm 0.7415m=( ) dm 0.5823m=( ) dm4600mL=( )L 270mL=( )L 583mL=( )L42mL=( )L 78mL=( )L 350mL=( )L8542mL=( )L 654mL=( )L 789mL=( )L321mL=( )L 963mL=( )L 852mL=( )L4563mL=( )L 3214mL=( )L 1478mL=( )L7896mL=( )L 854mL=( )L 456mL=( )L 67mL=( )L
16、 254mL=( )L 671mL=( )L 3/11+8/11= 9/15-5/15= 12/14-11/14= 7/13-2/13= 3/10+7/10= 5/8+2/8= 8/12-6/12= 2/15+6/15= 5/15+1/15= 8/10-1/10= 8/12-2/12= 10-5/15= 5/12-3/12= 3/15+12/15= 7/15-5/15= 2/14+2/14= 4/5-2/5= 1/5+3/5= 3/4-3/4= 11/14+2/14=6/11-5/11= 7/9-6/9= 6/8-2/8= 8/10-5/10= 5/7+2/7= 5/15+1/15= 1/11
17、+9/11= 4/10+3/10= 5/12+3/4= 9/8-8/9= 8/13+5/13= 11/15-2/15=9（九）5/11+7/12= 3/5-4/7= 8/245/24 1/2+1/3= 5/12+3/4= 5/6-3/1= 3/4-7/12= 1/2+7/4= 1/6+1/10= 15/8+9/10= 35/12+9/4= 11/4+1/3 21/3+5/24 33/4 1/6 3/4+9/10-1/6= 1/6+3/24+2/21=1-1/4+8/9= 1/5 +2/3 + 5/6= 8/7 +21/16 + 1/2= 4/3-(2/5+3/10)= 3/5-(2/15+1/
18、3)= 4/14+8/14= 7/10+2/10= 3/14+7/14= 4/11+5/11= 7/13+5/13= 9/22+1/11+1/2= 5/3 +11/5 + 4/3= 5/3+11/5+4/3= 1/4 + 3/4- 2/3 = 2/3 + 1/3 -1/2= 7/19 + 12/19+5/6= 4/15+2/15= 4/7-3/7= 8/7+21/16+1/2= 4/3-(2/5+3/10)= 410=( )dm 520=( )dm 625=( )dm 0.523dm=( ) 0.954dm=( ) 0.389dm=( ) 0.541dm=( ) 0.469dm=( ) 0.1
19、58dm=( ) 0.957dm=( ) 0.759dm=( ) 0.665dm=( ) 0.1745dm=( ) 0.1725dm=( ) 0.2358dm=( ) 1.288dm=( ) 8.527dm=( ) 9.650dm=( ) 756dm=( )m 354dm=( )m 652dm=( )m245dm=( )m 241dm=( )m 7153dm=( )m10（十）3254dm=( )m 6103dm=( )m 045dm=( )m240dm=( )m 5325dm=( )m 0.3521m=( ) dm0.7123m=( ) dm 0.6456m=( ) dm 0.689m=(
20、) dm0.354m=( ) dm 0.969m=( ) dm 0.147m=( ) dm0.826m=( ) dm 0.446m=( ) dm 0.9874m=( )dm0.254m=( ) dm 0.589m=( ) dm 0.856m=( ) dm0.415m=( ) dm 0.823m=( ) dm 460mL=( )L4270mL=( )L 4583mL=( )L 442mL=( )L678mL=( )L 3350mL=( )L 28542mL=( )L1654mL=( )L 7321mL=( )L 5963mL=( )L2852mL=( )L 563mL=( )L 214mL=( )L478mL=( )L 896mL=( )L 54mL=( )L1965mL=( )L 4785mL=( )L 2951mL=( )L789mL=( )L 5325mL=( )L 5671mL=( )L900.9= 57.6+2.4= 0.170.3= 0.460.2= 1.90.8= 13.2+4.8= 80.125= 2.8(0.4+0.3）=8.50.01 3328mL=( )L 8456mL=( )L 6.3-0.9=
