1、5 5 1 7 1 2 6 1 6 24 5 6 7 3 5 7 四、计算下面各题。17 1 12 1 1 1 9 3 10 34 11 11 5 5 8 4 五、计算下面各题。1 1 8 10 1 1 1 8 21 1 ( ) ( ) 6 8 3 9 9 5 3 5 20 4 8 1 2 2 2 1 5 3 8 5 2 7 3 3 3 3 2 18 11 11 18115%= =( ):( ) 0.4= ( )%= ( ):18 0.4:1.8 0.2:0.3 48:12 81 1 1 4 1 1 1 10 2 4 4 3 3 3 12 5 5 1 1 1 3 5 1 9 32 6 2 8
2、4 6 4 17 7 1 1 1 1 1 1 9 85 5 15 5 15 7 4 7 5 4 7 1 4 7 3 7 7 ( ) ( )8 6 7 6 9 5 6 5 10 8 9 2 3 2 2 1 5 5 2 58 5 5 3 3 2 13 7 7 13215%= =( ):( ) 0.85= ( )%= ( ):45 1.6:5.6 0.2:0.32 88:22 90 1 1 1 1 1 1 11 4 7 2 3 5 2 17 7 7 3 5 1 5 7 1 9 32 4 4 2 6 8 3 11 7 6 10 1 6 1 3 16 55 7 9 25 5 5 2 9 1 4 11 1
3、 1 1 1 19 1 ( )( )8 4 5 12 3 2 2 5 20 5 4 5 6 5 5 1 14 4 1 14 5 3 11 11 11 11 5 13 5 5 1355%= =( ):( ) 0.3= ( )%= ( ): 1:2 0.27:0.54 55:56 6 4 5 1 1 14 15 42 7 3 4 8 8 13 5 5 7 1 3 1 4 1 3 12 3 3 2 5 5 6 13 1 1 1 11 1 1 1 18 26 7 6 10 25 2 8 1 7 8 2 1 1 1 3 7 4 4 4 9 3 12 6 7 5 15 5 8 10 1 3 3 1 5 1
4、0 1 5 3 7 11 11 5 5 3 17 11 11 17145%= =( ):25 1.4:5.6 0.3:0.6 168:84 40 18 3 7 2 7 6 8 11 5 5 7 1 7 4 6 1 8 16 3 4 6 3 7 2 19 1 18 1 1 1 1 1 14 57 11 15 15 25 3 5 1 5 2 2 1 1 5 1 7 8 ( )2 8 5 3 9 4 6 5 15 7 8 2 5 3 3 1 7 6 1 77 7 7 5 5 3 13 7 7 1365%= =( ):( ) 0.5= ( )%= ( ):9 2.4 0.21:0.56 145:87
5、72 9 1 1 1 2 15 14 45 8 2 3 7 3 14 5 5 1 1 1 1 2 1 2 27 6 4 4 4 3 7 17 1 6 16 1 1 1 4 8 34 5 17 25 15 8 5 9 1 2 8 1 1 1 6 7 1 ( ) ( )8 2 3 9 6 4 5 5 15 3 6 3 4 2 2 1 1 4 7 15 7 7 3 3 2 16 11 11 16225%= =( ):21 2:3.5 0.21:0.42 162:27 42 1 9 1 3 5 1 2 8 6 4 6 20 7 7 1 1 1 3 6 1 2 32 5 8 6 2 7 2 11 1 1
6、2 9 19 1 1 1 5 11 11 10 20 5 6 7 7 1 8 13 1 1 4 1 7 1 8 8 7 12 3 2 5 5 20 5 4 5 6 2 2 1 5 5 2 53 11 11 3 3 2 17 7 7 17195%= =( ):( ) 0.35= ( )%= ( ):30 0.8:1.6 0.15:0.21 140:28 48 17 7 2 2 8 3 14 7 7 9 1 1 2 9 1 4 18 4 5 8 3 8 4 13 7 12 11 14 1 1 5 18 65 7 12 15 45 8 6 1 1 4 4 1 1 1 2 1 1 ( )4 4 3 3 12 4 4 5 20 8 4 2 1 8 8 1 7 2 5 7 8 3 3 3 11 11 8 17 7 7 17265%= =( ):( ) 1= ( )%= ( ): 5:8 0.06:0.18 80:40 9 1 1
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