1、二、把下面的假分数化成带分数或整数。18 13 39 21 47 6 85 7 9 4 16 11 47 5 43 3 三、填上合适的数。 ( ) 1 22 3 = = ( )( ) ( ) 3 = ( ) 5 3 ( ) ( ) ( ) 3cm = dm 30cm = dm 311dm3 = m3 52dm = m 38cm2 = dm2 477mL = L 四、用分数表示下面各式的商。5 7 13 14 14 15 11 17 44 45 10 11 1 5 8 8 1 10 6 63 4 10 7 4 8 9 6 63 17 7 37 29 91 4 41 17 8 4 16 15 90
2、 3 41 8 ( ) 1 16 13 = = ( ) ( ) 9 33cm = dm 77cm = dm 455dm3 = m3 21dm = m 30cm2 = dm2 695mL = L 3 1 46 2 3 1 19 29 30 12 13 1 9 9 8 5 15 5 84 3 14 6 2 8 7 5 85 9 9 29 25 68 3 97 16 4 2 8 13 68 3 48 8 ( ) 5 24 13 = ( ) 6 137cm = dm 42cm = dm 379dm3 = m3 17dm = m 40cm2 = dm2 492mL = L 7 19 1 42 4 5 7
3、 27 28 12 3 14 6 8 2 7 1 11 2 20 6 2 7 9 6 12 11 7 37 25 36 3 77 30 5 2 16 12 36 2 38 6 ( ) 1 108 17 = ( ) 5 177cm = dm 15cm = dm 492dm3 = m3 84dm = m 37cm2 = dm2 755mL = L 5 1 13 6 7 3 5 24 25 2 5 14 6 9 4 17 8 99 1 16 8 2 8 6 7 98 14 11 39 20 87 6 95 7 7 4 8 20 86 6 48 3 ( ) 1 12 11 = = ( ) ( ) 2 171cm = dm 66cm = dm 280dm3 = m3 96dm = m 95cm2 = dm2 130mL = L 3 32 33 4 5 8 9 12 1 14 10 6 4 15 1 13 3 12 10 2 6 9 3 13