1、5 5 2 1 1 5 7 1 2 18 3 6 7 6 8 7 四、计算下面各题。17 7 12 1 1 1 1 5 7 17 7 4 25 5 8 4 五、计算下面各题。1 1 2 8 1 1 1 6 1 7 ( ) ( ) 6 2 9 9 6 5 5 5 15 8 8 5 6 3 3 1 7 1 2 7 3 7 11 11 5 5 3 19 3 3 1925%= =( ):( ) 0.4= ( )%= ( ):40 1.5:3 0.28:0.42 168:84 64 4 7 1 7 1 21 3 42 3 6 4 8 2 20 7 7 1 1 9 1 7 1 3 12 4 2 8 4 8
2、 7 13 1 18 1 6 46 9 1 12 39 5 7 5 45 8 5 1 7 4 10 1 1 1 3 1 4 ( )7 2 3 9 9 8 6 5 10 3 9 6 1 2 2 1 5 1 2 5 2 8 7 7 3 3 2 19 3 3 19165%= =( ):( ) 0.1= ( )%= ( ): 4:4.8 0.02:0.2 105:21 1 1 1 1 1 1 11 3 8 6 2 5 4 19 7 7 1 7 4 4 7 1 9 12 2 8 3 3 6 5 13 7 12 3 1 1 6 1 20 26 11 2 5 45 7 7 1 7 8 13 1 1 1 8
3、1 1 ( )( )3 2 3 12 12 5 4 5 20 5 5 2 5 2 2 1 11 6 1 114 7 7 3 3 2 12 7 7 125%= =( ):15 1.2:3.2 0.3:0.8 102:51 30 1 1 1 4 1 1 20 4 8 3 2 3 7 16 5 5 7 5 1 1 5 1 4 24 3 4 4 8 6 7 11 7 12 17 1 1 7 1 7 55 11 16 20 45 6 2 1 1 4 8 1 1 1 1 16 1 ( )5 8 3 9 9 7 6 5 15 2 6 7 4 9 9 1 5 10 1 5 9 5 11 11 11 11 9
4、19 11 11 19245%= =( ):( ) 0.25= ( )%= ( ): 1.4:4.9 0.02:0.08 150:75 100 1 1 1 7 1 1 9 8 7 6 6 7 17 7 7 6 8 7 1 5 1 8 27 5 7 8 8 4 6 17 7 1 2 1 6 1 6 7 34 7 3 25 5 2 7 9 7 4 4 1 1 7 2 7 1 ( ) 8 8 3 3 9 2 6 5 10 8 9 8 3 5 5 1 13 7 4 13 5 8 11 11 7 7 5 12 11 11 12155%= =( ):( ) 0.15= ( )%= ( ):18 2.8 0
5、.04:0.12 150:36 1 9 1 6 1 1 20 2 8 2 7 4 19 11 11 1 1 1 1 3 1 8 24 3 4 6 2 4 6 11 1 12 4 1 34 1 3 14 44 11 5 10 35 5 4 4 5 2 13 1 1 6 8 9 1 ( )3 4 3 12 9 7 5 5 10 5 5 3 8 2 2 1 1 1 2 14 11 11 5 5 2 11 3 3 11185%= =( ):( ) 0.8= ( )%= ( ):4 2.8:4.9 0.03:0.27 138:23 10 1 1 3 8 3 16 16 48 4 8 4 7 2 17 1
6、1 11 5 1 1 6 1 1 2 32 3 2 4 5 2 2 19 7 4 8 1 36 1 6 12 57 5 9 15 35 5 5 5 1 2 5 1 3 6 4 1 8 6 6 9 6 12 2 7 5 15 7 3 3 2 4 4 1 1 6 1 1 4 2 5 5 5 5 4 16 7 7 16255%= =( ):( ) 0.75= ( )%= ( ):5 0.9:2.7 0.12:0.24 64:16 8 1 1 4 2 7 1 2 7 4 5 3 8 20 5 5 5 7 1 1 6 1 3 12 3 6 5 2 5 3 17 1 12 1 1 1 1 6 7 68 5 2 20 35 2 5 5 1 8 13 1 1 1 3 7 1 ( )6 2 7 12 6 2 2 5 20 6 4 1 2 6 6 1 7 2 1 7 6 3 3 3 11 11 6 13 3 3 1345%= =( ):( ) 0.65= ( )%= ( ):27 3.6:6.3 0.04:0.08 156:78 81 7 1
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