分数小数混合计算题.doc

文档介绍：姓名 43 42 1 ×86168 × 167 5 1110 ÷[56 ×(7 3 -8 3 )] 5 4 ×(X+10 )=5 1 ×(5X-6)64 17 1 ×9 17 3 × 11 5 + 11 3 ×7 6 73 ÷[4 35 - ×(20% +3 1 )]-2 1 ―4 1 ―8 1 ―16 1 ―32 1 ―64 1 3. 1990 ×1999 -1989 ×2000 1 +6 5 +12 11 +20 19 +…[phone] × +4 11 × - 125% -[3 11 - ( -3 21 )]÷ 8. ×97 21 4 + ÷19 25 - ×97 9 × + 8 3 × - × 110 -(4 32 ÷8 31 +5 2 ×4 11 ) ÷2 11 +(+ 4 33 )×7 12 1998 ÷1999 1998 1998 [(9 8 +3 11 )×4 3 -] ÷12 1 ×5 4 + ÷1. 2-2 16 × 解方程: 1. 11:)7( 9???? 3. 4. 1998 3 43 559 37 1 13 169 2 ? ???? ?? 5.(1)(2) : 8 : 5 x? 10 3 6. ÷〔 10÷(6 - )×〕 184 ÷ 14+2 116 ×14 1 -( 1-14 13 ) 10. 解方程: 4 3 -4 1 χ=3 2 :3 1?=2 1 1. ÷ + ×5 4 -62 1 × 4 +(3 3 2 -) ÷16 5 〕÷35 1 3. 106 1 -(2 4 3 ÷18 3 +5 2 ×14 1 ) 4. 9999 × 7778+3333 × 6666 5. 513 2 ÷3 5 +71 4 3 ÷4 7 +91 5 4 ÷5 9 ???? 7. 方框里应填什么数? [(□+14 32 )÷ 14?]×64 1 11? 13 30 11 20 912 76 52 11????? 35 -12 49 [phone] +42 91 10. 〔 51-(18 4 3 -1÷15 8 )×125 23 〕÷ .3 %) 325 5 94 13 5 194 13(????? 11)56 142 130 120 112 16 12 1(??????? 1 ÷〔 325 2 -(- 3 1 × 25%) 〕× 12 ×7 13 ÷ [1÷(5 13 ― )] 6.〔(4 3 - )×2010+ ×34 5 〕÷38 7 11 ×7 11 ×8 11 ×9 11 × 10 11 348 ÷(243 ×+ 10 324 ×+ 100 43 2 ×214 ) :3 1?=2 1 11?-9 5?=13 46 ―8 12 +7 17 ― 2. × + × 3.(13 81 ×42 13 +3 2 )÷ (11 -3 21 ) 4. ×[2 15 -4 31 ×(21 9 +3 2 )] 5. 解方程 3 21x +8× = 16 6. × + × 11- 7. 2 2 2 4 3 3 3 9 9 9 7 ? ??? 8. -26 1 + 228 3 -86 5 9. 15 4 ÷(19 4 -3 2 ×6 5 )+6 5 1. × + × + × 2. 2 4 1 60. (9 ) (4 ) 5 5 6 ? ??? 3. 16 5 ×7 4 +1÷5 13 +7 3 × 16 5 11 ÷[5 232 -( - 3 1 × )]× 12 ÷〔56×(7 3 -8 3 ) 2 ÷[5 28 -(- 3 1 × )]×12 13 30 11 20 912 76 5???? 9. 88888 × + 11111 × 10. 解方程: 5:)7( 9?