1、 1 计算题库 49999.9 +49.90.01 43385+43337.5% 13298+13.220 97.58 ( 7.58 3.6) 0.27+6.4+3.6+0.73 366103% 36.60.3 1880201.1 187.92011 85 179+38917 6.8+2.37+7.63+4.2 2.51.250.32 922 4+ 932 41 7.8528.3+71.77.85 1514 +53 1511 1 3615 3611 2356( 2356+23572356 ) 99992222+33333334 ( 43 1.8+43 3.2) 8 7.543 +2.543 +
2、1041 2 4.231.85+4.237.15+4.23 7.64+1.441+0.25 7.25 0.87 2.13 3.74+ 536 +2.26 95 43 +94 43 2.57748 2.57747 92.699+92.6 18.7 6.25 3.75 18.699 7.28 ( 1.25+0.28) 9983+83 0.12556 61 11+65 11 11 5.2411 + 512 54 5.8+2.75+ 511 + 417 10.17.510 3 19538+1914381239+463+231417341334217.28 ( 1.25+0.28) 99020.8+20
3、8 427 591 409 101110 73 37 36( 32 +61 43 ) 2417 75%+2417 4 2243 +2575% 743 529 +9952 +99952 +999952 +252 31 : 201 = 971 : x 6x+51 =0.81.5 52 +2x=43 4 0.75x 6=12 x:511=541157x=4143(X31) =6 10:32=X:524X 0.5=27.5 9: (X+10)=51:3152+2X=430.75X 6=12 X: 511 =54 10.1 4x=2.9 7.5: x=24:12 ( 2x 1) 3=21 83 : X=
4、121 : 6 12.6 X=1.75 5 65=X214( X+0.7) =4.36 2( X 4) =3( X 12) 20072006X2008=20072006+ : X X : 3.4=1.5 : 411041524 :: 5.2x 58.1 76 71 x43 41 21 : 32 : 43 : 6 x1017 ( ) 1072851 y41511:71542:51 3231 x215444385 x2151() : 51 : 81 54 : : 310 x6.1 41 : 7 125x4.2527:4:58 x53:%90:32 x() (4352) 1072152(9861) 109() 58 2425 98 ( 167 41 ) 51 ( 51 ) 251 8 (83) ( 32) ( 51) ( 21 41 ) 32 ( 611 32 ) 115 ( 52 31 ) 65 ( ) 9