姓名 学号1、分数乘以整数2 2 17 9 7 25×11= ×27= ×8= ×8= ×3= ×7=11 9 60 50 18 982 7 7 4 5 27×2500= 3× = ×6= ×5= ×6= ×2=5 9 12 17 54 502、分数乘以分数8 × 415 = 920 × 521 = 53 =25 × 1514 = 311 × 250 × 195 6 5×7 1 19 10==28 × 3339 × 1518 × 1416 × 815 = 2539 × 1311 8 20 13 7 3= =三、分数乘、加、减混合=530 =9 ×( 23 - 711 × 153 × 35 +1 12 + 54 × 47 2 6 7)×10157 - 59 × 57 1 - 216 ×(5- 23 ) 85 525 × 71 7 3×7+8- 6- ) 4 5+ × 33 8 4 54 × 9 + 7 4 7 ×7153 2 34 ×( 3 5 9 9 55 ×4× 34 5 × 97 ×16× 212 4 7 5×855( 8四、分数乘、加、减简便运算4 3 2 7 2+ )×27 87× - ×9 27 86 9 16 97 7× + ×
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