分数乘法练习题附答案.doc

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1、 = = = =45 1021 3101112 75 1521 45 12 = = = =815920 78 57 1415714 92045 = = = =15171730 35 79 611512 8112224 = = = =18 716 14251011 16 924 8251524 = = = =319512 56 925 15321645 79 91057= = = =1219 4351027 4341226 14251536 = = = =133258 518512 13601239 1415319 = = 93= =13232339 71823 1531 14391328 =

2、45= = =32458 715 317521 521215 = = = =24551125 1235718 627920 13631439 = = = 66=25362740 21549 15311135 1322 = = = 1 =45 223 310313 225 1521 45 12 = = = =1813821 178 25 145 29 1920429 = 5 = 1 = 1 =15171215 25 79 311512 811 715 = 3 = 4 = =218 717 1425 211 16 925 48251536 = 1 = 2 = =213191217 56 1111

3、13 11521 519 14538= = = =21219 147 11011 649 1229 214251532 = = = 4 =31215513 3118611 645 1533 8151039 = = 62= =849 319 3418929 21531 249 31172= 15= = =329 515 2217521 512 211 = = = 3 =551121625 234 6611 36112713 59 145 = = = =256 178 525 729 623 715 637 239 =8/21 = 11/40 =1 =2/545 1021 3101112 75 1

4、521 45 12 =6/25 =5/8 = 7/15 =9/25815920 78 57 1415714 92045 =1/2 =7/15 =5/22 =2/315171730 35 79 611512 8112224 =7/128 = 28/55 =1/16 =1/518 716 14251011 16 924 8251524 =5/76 =3/10 =1/6 =7/10319512 56 925 15321645 79 91057=36 =8/189 =12/221 =7/301219 4351027 4341226 14251536 =65/256 =25/216 =1/15 =147

5、/95133258 518512 13601239 1415319 =1/3 =7/27 93=45 =1/613232339 71823 1531 14391328 =256/45 45= 21 =5/119 =2/6332458 715 317521 521215 =24/125 =2/15 =1/10 =2/2724551125 1235718 627920 13631439 =15/32 =8/135 =33/217 66=3925362740 21549 15311135 1322 =32/15 = 1 =12/7 1 =6/545 223 310313 225 1521 45 12

6、 =8/13 =3/4 =2/5 =1/51813821 178 25 145 29 1920429 =1 5 =21/5 1 =35/66 1 =16/1515171215 25 79 311512 811 715 = 7/8 3 =98/55 4 = 3/2 =9/5218 717 1425 211 16 925 48251536 =3 1 =2 2 =4 =46/5213191217 56 1111 13 11521 519 14538=100 =3 = 8/3 =6/521219 147 11011 649 1229 214251532 =57/39 =5/3 = 102/33 4 =136/11731215513 3118611 645 1533 8151039 =4/3 =1 62=154 =2/3849 319 3418929 21531 249 31172=232 15=78 =60/119 =1329 515 2217521 512 211 =72/5 =18 =9 3 =32/5551121625 234 6611 36112713 59 145 =85/16 =39 =48 =15256 178 525 729 623 715 637 239

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