1、4.7+2.3=3.6 24=4.52=0.81.1=7.52.5=7.2+12.8=7.20.8=46.73.8=63.4=12.84=0.640.32=5.213=1.40.5=12.55=0.75100=1.6441=0.020.5=1020=3.60.3=2415=6.37=8.6510=5.6100=0.356=0.750.25=3.080.01=0.125 8=4.95100=4.80.3=6.90.1=0.962=0.40.5=0.5628=2.40.8=0.360.4=10.89=0.640.8=9.60.8=0.723.6=1.082=3.145=2.50.4=3 2 =5
2、35 12 =4505 =64 1 =5 28 4=95 4 =4555=62 2 =3 31 2 =6 33 1 4 811=3613=44314 =115 9 4 35 4 =2 93 4 4 15 4 =37710 =90.910 =3 1104 4 =23 12=3147 =1 12 4 2 53 8 4 19 9 =35 15=113 8 5 611 11 =7 1210 7 1.2516 8=113 811(4 3) 4=1 12 3 =7 1616 7 16 435 7 =5 1218 27 =1 14 4 =1315 5 7 1420 15 998 16 16 41714 =2
3、 43 15 =5 16 4 5 （ 1 1 ） 24=4324.06 0.4=318=351() 30=65425=53 37 51 6=122.8 25 122.5=12.5 322.5=527=991111232345 101=59 6= 270 18=1.25 0.25 0.75=11112 3232 3 151571.472.8 0.80.77 0.33（ 1 1 ） 123441.258510 0.98.2 0.540.464 1 5 311 5 1 126123 2 =8526.26 26=7.9 11 7.9=3 2 =5 35 12 =4 50 5 =630.654.57 6
4、.43=1.25 0.250.75=3 2 =5 35 12 =4 50 5 =64 1 =5 2111123238 4=6 2=95 4 =731455=525=61 1 =22=723324 211=3343 42 2=85135 13=5 4=26885 2=9 2 =53658 8=3 3=11836 1 =1 1=432123 15=2=551 35 6=5 5=2463 25= 18=4396614 5=7751 5 =26 1=7228 4=93 1.95=7 3 =8 42 3 =3 21 27=34 3=54 7 =5 101 8=41 3=46 2 =70 5 =66.3
5、0.07=26 12 =138 8 =33125 8=6 1 =77 5 =1072 2 =3 36 6=72 1 =5 28 4=90.5 1 =414 15 =45 212100=388 22 =31 1 =2 24 3 =412 2 =325 4=10 5 =81 4=35 4 =4517 60=1512 29 =58 3612 1 =33 8=43 11=2210 5 =76 2 =7 31 2 =2 33 2 =5 35 12 =4 50 5 =66 0.5=8.4 4.2=5 2 =1121 4 =471 2=25 2 =735 3 =45 1=1812 3 =41 5 =32 2
6、 =7328 14 =310=62 1 =3 24 1 =5 25 7 =6 824 5=8 8 =9 92 3 =965 2 =6 31 2 =339 3 =4636 198=3.6 0.36=7 14=1 2 3 =551 1=41 1=41 1=41 1=437 5=9 0.9=（ 1 1 ） 24= 4 372 0.4=72 0.4=24 3 =40.2 1 =51 3 2 =2325244.20.212 0.2 1.25 827 68=910 540=1840=910 70=78 0.98=3 8=100.1=0.8 12.5=8.1 0.03=1.5 0.5=10 0.5 0.5
7、10410 2102 3 151571.472.8 0.80.77 0.3330.6541.258510 0.98.2 0.540.464 1 5 311 5 1 126123 2 =8526.26 26=4.57 6.43=7.9 11 7.9=3.14 32=3 3 3 3 =4410.1 30=20.2 2=3 3 =4 81.8 4 0.5=1.5 1.5 0.2=578 21685.2 3.25 13. 2 22 8191 1 2 32 1 240. 99 9 0. 99 9 1 =42782.5 3.25 7 7103005-899=7.25+2.75=9.8980.125 9 8
8、 =11=3455=74 9 =27162 2 2=31 12 6 =3 4 =553 1 =4 5312=84 3 =5 23375569-399=3.2-0.5=1 13 + 5 =3124=125 5 =3 95 10=19 8.1=1 13 - 5 = 18.25-3.3=5 86 15=0 9.3=453+198=50 0.1=19 81=50 6 =324 8=4 0.02=4516 15=2 13 3 =21 218 16=47 110+ 2 =0.25 8=236+64=7.8 0.5=4.3-0.5=7 0.6=1313 15=5.01-1.8=0.99 9+0.99=1 1
9、4+ 3=10-7.26=75%+25%=38 4=355 6=118+ 4=5 512 6 =1-0.25=211+ 7 =70 8=125 5= 312 3=38 4 =63 0.1=322 5=9110- 10=1.25 8=1 12 - 6 =3.68-0.82-0.18=7.2 4=99-33=0.72 0.6=324 8=1 11- 2- 3=2.5 4=25 4=134 8 =9.7+0.3=118 9 =7 18 4 =3.7-0.4-0.6=578+216=910 3=1629 3=5 16 + 3 =3 64 7 0=1 12 + 3 =17 3=116+ 7=355 6=
10、23 12=111( 2 + 3 + 4 ) 24=127 24=286+198=9 61=314-202=1 22 5 =5 16 - 2 =8 55 8 =75910 70=135818 9=45.7 100=9 3.14=1.63+2.3=2 15 4 =1480 3 =29-0.6=0.85+0.15=3.75 0.25=136 4 =6 + 8 =2 15 + 3 =32 2.5=1.5 4=2183=3955 4 7 =8.40.4=1+0.25=16 15=5249 + 3 + 9 =14 3=78+26=0.38+4.2=6 37 4 7=18.25-3.3=3143.14=3.25+1.5=10-2.87-7.13=0.870.490.252.69 4=2 15 3 =2 15 3 =1 12 - 6 =5
