1、 19 = = ( )( ) ( ) 13 = ( ) 10 13 ( ) ( ) ( ) 7cm = dm 39cm = dm 921dm3 = m3 10dm = m 88cm2 = dm2 929mL = L 四、用分数表示下面各式的商。2 3 21 22 6 7 8 11 1 43 14 15 4 5 10 9 1 17 1 60 2 18 10 1 9 6 10 61 13 5 23 31 62 8 83 3 6 4 16 16 61 8 42 2 ( ) 1 1711 13 = = ( ) 19 = ( ) 7 195cm = dm 84cm = dm 208dm3 = m3 75
2、dm = m 95cm2 = dm2 109mL = L 1 5 40 41 4 5 10 17 1 24 2 3 5 10 7 7 2 15 1 35 4 11 9 4 6 6 10 36 20 5 19 72 73 10 93 9 5 2 16 18 73 9 46 3 ( ) 1 16 ( ) 8 193cm = dm 82cm = dm 410dm3 = m3 23dm = m 22cm2 = dm2 491mL = L 7 1 48 8 9 5 1 5 4 5 13 8 9 3 17 8 100 3 11 7 3 6 8 7 100 45 5 39 39 43 10 62 17 9
3、4 8 20 43 9 31 8 ( ) 1 45 11 = = ( ) 11 = ( ) 6 115cm = dm 83cm = dm 223dm3 = m3 71dm = m 66cm2 = dm2 757mL = L 13 19 1 4 2 11 23 24 6 4 1 8 6 4 14 1 70 2 14 9 5 7 10 10 71 24 5 19 31 53 7 64 19 8 4 8 16 53 7 32 9 6 7 = = ( ) 17 = ( ) 3 172cm = dm 37cm = dm 783dm3 = m3 15dm = m 84cm2 = dm2 423mL = L
4、 14 45 14 4 5 46 47 4 1 20 9 9 5 20 8 98 3 13 7 3 9 7 9 98 11 21 37 19 20 7 61 17 5 2 8 10 19 7 30 9 ( ) 1 1 5 = ( ) 9 52cm = dm 93cm = dm 626dm3 = m3 61dm = m 54cm2 = dm2 568mL = L 35 12 13 13 10 11 16 17 2 8 7 8 5 12 6 23 5 11 7 5 8 10 7 23 18 13 35 29 32 6 69 40 6 4 16 15 32 5 34 8 3 = = ( ) ( )
5、9 111cm = dm 80cm = dm 403dm3 = m3 44dm = m 21cm2 = dm2 820mL = L 13 1 4 20 21 3 7 45 46 12 4 12 8 6 3 17 4 25 2 17 6 3 8 9 3 25 8 11 27 19 26 8 75 9 2 4 16 19 26 8 38 5 7cm = dm 67cm = dm 665dm3 = m3 75dm = m 92cm2 = dm2 445mL = L 12 2 5 3 8 6 3 16 9 89 2 17 10 4 9 9 9 90 16 5 41 23 73 2 97 5 4 2 1
6、6 11 72 2 48 2 ( ) 3 9 ( ) 4 131cm = dm 20cm = dm 792dm3 = m3 60dm = m 41cm2 = dm2 689mL = L 45 10 11 16 20 2 11 7 10 3 10 8 1 3 19 8 1 6 8 8 78 24 5 31 76 89 4 61 5 8 2 16 19 88 3 30 2 3 = ( ) 7 34cm = dm 80cm = dm 844dm3 = m3 88dm = m 34cm2 = dm2 704mL = L 30 6 13 8 1 3 8 7 4 9 1 62 1 15 6 1 8 10 4 63
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