分數加減法練習題500道

1、歐陽地創(chuàng)編3 1 1 5 1 1 3 + - + - -4 15 4 12 15 6 5 1 1 4 3 1+ + -15 20 15 8 15時間：2021.03.04創(chuàng)作：歐陽地8 3 7 8 11 4 7 5 1 5 2 8+ + + - + - + + 9 8 8 15 20 15 20 12 20 9 98 5 1 3 1 1 3 5 7 1 1 + - - + + + +15 12 15 5 6 15 8 12 8 4 20+7201 4 8 3 2 1 5 11 1 2 1+ + + - + - - 6 15 15 8 9 4 12 20 20 9 6+384 7 1 3 3 7

2、 5 1 2 3 1 7 + - + - + - + +15 20 20 4 5 20 12 6 9 8 20 8 3 1 1 7 3 8 1 3 5 1+ - - + + -5 15 20 8 4 15 15 5 12 15歐陽地創(chuàng)編歐陽地創(chuàng)編1 4+ +20 154 1 3 7 3 1 3 1 1 2 1 4 + + + - + - + +15 6 5 20 4 4 8 6 4 9 15 15 5 3 1 8 1 2 4 3 3 3 1 5+ - + - + + + + 12 5 6 15 15 9 15 8 4 8 6 123 6 9 5 6 9 1 11 2 4 2 3 + + + +

3、 + + + -10 11 10 12 11 11 3 20 3 5 9 5 1 1 5 2 9 3 8 1 2 3 1 1+ + + - + - + - 3 6 12 9 10 10 9 15 9 8 20 45 1 3 2 9 6 1 3 1 2 9 6 + - + - + - + -12 4 4 3 11 11 3 4 4 9 11 113 7 4 3 8 2 1 9 4 2 7 1+ + + - + + + + 5 8 5 8 9 9 15 10 15 9 20 208 1 3 1 3 4 1 11 7 3 1 3 + - + - + - + +9 15 8 6 5 15 15 20

4、20 10 4 4 6 9 9 1 3 1 9 5 1 2 1 8+ + - - - - + 11 10 11 3 4 6 10 12 20 9 20 95 7 3 1 2 5 2 9 1 3 1 1 + - + + + - - +12 8 8 6 9 12 3 11 3 4 3 6 9 2 1 3 8 4 11 1 7 1 3 1- + - - - + + - 10 9 20 8 15 15 20 15 20 6 5 5341 1+5 2138 1-15 617120+910歐陽地創(chuàng)編8 15歐陽地創(chuàng)編8 151 2 -4152 5 7 1 -9 9 - 8 2561-9 11+10 201

5、 115 157 3+12 42-7 1+20 43 9 1 1+ -4 10 4 346+1 3-6 4-11 120 20+1 5- 12341 1+2 153 5 1 4 2 + - 4 12 6 5 37 112 9 7- +10 85 8 4 +34+415+720582 13 6-514-1 1 11+ -5 2 202 12 - +3 35 712 20123-91011 2- 20 9491 7+ 15 1218+11 15 4 38+152 1 13 41511205+ 12 1127+ 411249-12+11209歐陽地創(chuàng)編3 54 5 9 1 -121 201 5 12

6、3 4 2 3+ +7歐陽地創(chuàng)編3 54 5 9 1 -121 201 5 123 4 2 3+ +71151 5+ + 161 7+ -15 201 + + 111- 201612 1113 20241 7 +151 112 + -41 5+ + 1231+ 22 49 11+ 10 20133102 4 3 51 18 + - 31 41 - +3 954 + 91 15 - -154 1 41 5 5 71 9 3 1 + - 10 4 6121 1 5+ -6 3 128 11+ -15 20135 1+ -12 51159 7-10 201+28 3 1+ -15 4 43737 1

7、1 3 1+ - 20 7 41 1 1 5 1+ -2 3 3 12 51 1 1+ -6 3 153 4 1+ -7 15 4歐陽地創(chuàng)編歐陽地創(chuàng)編4 11+15 201 1 9 4+ -3 12 10 5-1 510 6-+121 1+3 413+231 1+10 612-+4 1+9 3162 3-3 51 3+3 10131 3+4 4-1 1-5 102 3+5 5+232 1-3 723+5 1 1-6 3 2+893 1-5 9-2 1 3+3 4 41 1+6 2341 1-6 7-231 1-12 4+-1 1+3 623-1613-3101 210 31 5+9 6+1 1

8、-2 10+7 1-12 5+7 1-12 331025-12+3 1+4 2+1 2-2 5歐陽地創(chuàng)編歐陽地創(chuàng)編3 1+5 31 1 5-3 6 6+712-+34+2 2 2-3 3 51 3-3 414+12+12+2 1+3 53 5-4 71 1 2 3- +5 4 5 5+251 1+6 8712-1 1+4 312-+341 1+3 12+491 3-5 10123 7-4 12+45-91014-+3 1-4 247+251 3-3 1013+12+1 3+3 44 1-5 23 7+5 83 7-5 10-56+451 1+2 68 1 3 1- -9 3 4 2112-37

9、+23+45+9 1-10 3歐陽地創(chuàng)編歐陽地創(chuàng)編8 2-9 31 9+10 10-165 1-6 2+168 1 3-9 2 4-+343 1-4 2+2 7 5+3 12 613-+31089-89-1 2-12 73 3+4 77 8 1 3 2 + +12 9 3 5 512-1713- +1 3+4 51 2+5 55 1+6 31 6 5 1+ -10 7 6 23 1+7 6-2312- +17-13910-1 7 1 3+ +5 10 3 41121 3+2 101 1+5 3-112+1 4+4 5-3 1-4 31 1-5 4-1 26 51 1 3 1+ -2 7 4 7

10、+7101 3+2 10-歐陽地創(chuàng)編歐陽地創(chuàng)編5 1+6 314-2 1-3 23 9+4 10-491 1+10 5+67-2512-8 1 1-9 2 53 1-7 21 7+7 8-38+1 3+3 5+346 1+7 31 7 8 1+ -3 9 9 28 2-9 3-15-49-38+1634-7 1 2 4- +8 2 3 51 3+7 43 1+10 5+112-59-253 1-4 213+7 1-8 2710-1128 5-9 9+3101 1+2 12133 5 2 1+ -4 6 3 102 1-3 4+9 1-10 5-112+56-16歐陽地創(chuàng)編歐陽地創(chuàng)編4 2+9

11、515+712-15+-+345 3 5 2- +6 4 9 37 4+12 581515-5915+6 3-7 101 5+12 6+3 7-10 121 1+6 7151 5 2+5 6 31 3+5 4+4 9-15 11+9 4-11 15-45-161 1+5 615+38712-+782 1+5 7+4 8+15 151 2+6 58 1-9 5910-51225+451 4+5 15+3 5-10 9+5 3-6 4796 67 112 5+5 6+3 1-10 5+9 6-11 11+1 3-6 4-38歐陽地創(chuàng)編歐陽地創(chuàng)編8 2 4 2+ +9 5 9 5+3 1-10 63

12、 5+5 9-310+5 5 3 3 5 - +9 12 8 5 6-8157 2-8 5+23-233 1+5 6+2 23 5-35-1122 5 4 6+ +5 6 15 7+1 1-10 1256+-7 39 10-353 1-5 67 2 4 6+ +8 5 15 7+7 3-12 83 5+5 6-8 6 3 1-15 11 5 6-3105 2-6 5+5 4-12 9+7 3 1+12 5 6910+8 49 15-23+3 3-5 42 1-5 7+3 8 3 5- +5 9 5 635+8 315 5-34+7 1+12 12歐陽地創(chuàng)編歐陽地創(chuàng)編4 7-5 94 1+5 6

13、+1127 1+12 6+16-5 512 65 7+6 84 1-5 6611+7 4-12 9-3 910 10-+310+4 6 5-5 7 6-5 1+6 10712-16-3 3+10 45 5+6 91 1+6 71 5 5 1+ +12 6 6 7-712168 1-9 6-23910+9 4+10 15+2 8 5-3 9 6+4 3-15 51 8+6 94 1+5 6+4938+310-3 3 5 6+4 10 6 11+9 3-10 545-+45+5 3-6 8910-7 1+12 65 2 5-6 3 6-7 7+12 9歐陽地創(chuàng)編34歐陽地創(chuàng)編7 3 4 5+ +1

14、0 8 15 126 1+11 6+9 3-10 8710-6112 8+3 99 2+(10 31 3+12 4+3 1-10 12-56-310)78-8 3-9 103 3+5 8357 5+10 6+23-415+7 8-10 154 1 1 3+ +5 6 12 4310710-+710-310+9 3-11 44 2 5+15 3 6-710-59787 7+10 125 2+9 3+5 3+12 10+5 3-12 4496 8 7 2+ +11 9 8 356+7 3-10 10-310-34+1 2-12 345-310-712-7 1-9 6歐陽地創(chuàng)編歐陽地創(chuàng)編-310+3

15、 1-10 6+3 3-10 8+4 1-9 124159 811 15911+3 5-10 12+7 1-8 12+3 9+10 11+7 3-8 86118 615 11815+3 1-8 6+5 3-9 8+8 4-9 15+3 3-8 107127 112 125 6+9 7+4 1-9 12+4 1-9 12+3 3-4 5-4153106 4 3+7 9 5611+3 3-5 8+3 1-10 6-16+2 3-3 5512-3 5 2+10 6 3310(5 2- )6 3+7 1-12 12-59+8 1-9 12495 312 10歐陽地創(chuàng)編8 3+9 5歐陽地創(chuàng)編-7125

16、 9+ -12 10141 7 1+ -3 20 56 1+7 61 6 1+ -3 7 54 7+ -15 20-1121 4 1 1+ -4 15 6 6120451 8 1 3 1 + - + +3 15 9 8 611 5+ -20 12+7 3-12 105 3 2+ -12 10 5143 4+4 91 1 1 4+ -20 2 3 155 4+ -12 15+7129 3+ -10 415155 3+9 4415+5 4-12 151 9+ -15 10-165 1 1 6+ -12 6 4 7129 3 1+ -11 8 87 4+ - +20 159 11-10 20720-

17、1 1 4+ -9 4 153 1 2- +10 4 51 1 8+ -20 20 153 4 1+ -10 15 55 3+12 41120-歐陽地創(chuàng)編1 4+5 15歐陽地創(chuàng)編4 3 5+15 4 91 3+ -15 41 9 3+ +8 11 82 1 8- +5 4 15-14163 2+7 91 3 3 9+ -5 4 7 102 2 5+ +9 5 9+671 4+ - +2 151 1-3 21 2 1+ -4 5 9-141 3+4 87 120 51 7 8 1+ + -3 20 15 59 3 1+ -11 8 43 2+ -10 519+15415-1 11 5+ -20

18、 20 124 5 3+15 12 48 1 1+15 6 204151 1 2+ +9 4 53 3 1+ -10 7 99 6+ -10 77 1 1+ +20 3 6+131 2 1+ -4 5 85121 5 4 1+ + -8 9 15 21 3 3+ -9 4 71 8+ -3 15-1 19 32 1 1+ -5 6 5歐陽地創(chuàng)編歐陽地創(chuàng)編8153 3 1 1 3 2 + - + -7 4 4 8 4 9+8 1-15 4+3 4-4 158 1+ -15 43 5 1+ -7 9 412164 6 1+15 7 4+8 1+15 15+8 4-15 1511 8+ -20 15

19、-163 1+4 311201 86 15-115+1 5-3 123 4+ - +10 152 5-5 91 3 1+ +3 10 87 1 1+ -20 2 41 3 1 2+ -6 8 4 51 1+5 84 11+ -15 206 4 1 2 1 4+ - + + 7 15 5 9 4 15+3105129 9 3 9 1 + + -10 11 8 10 33 3+ -7 81 1 4+ -6 2 15+3 5 1 3+ +10 12 6 4291 11+ -15 201 3 3 6 5 1 + + + -8 4 10 7 9 41 2+4 5136 3 1 1+ -7 4 4 20+

20、911歐陽地創(chuàng)編歐陽地創(chuàng)編29+115-1 9 6 3+ +2 10 7 7+415131 8+ -20 151 3 2 1 3 + - + -15 8 9 6 7 5 1 1 1+ -12 9 4 7+371 2+4 9382 3 1 11+ -9 10 4 2011 5 3+ -20 6 87201 4 1+ +8 15 4+1 1+10 7110+5 1+12 43 1 3 1+ +10 15 8 7+9 6-11 11910+720+567 2 1+ -10 9 7+5 2-9 911 1+ -20 91 11+ -10 202 3+9 71 3 7+ +9 4 201 110 8+9

21、103 1+4 206 1 1 9+ -11 8 9 111 4+ -6 15+8152 9 1+ -5 10 4+5 1-6 7259 4+ -10 155 9 2 1 1+ + + 9 11 9 5 8歐陽地創(chuàng)編4 4+ -15 5歐陽地創(chuàng)編3102 2 1+ +3 9 95 1 2 5 1 3 + - + +9 7 9 9 6 73 3 5 9+ +8 10 6 1011207+10+911674 9 1+ +5 11 8+2 1 9-5 5 106 2+11 5+9 1+11 711 4 1+ -20 5 8+2 1-3 8+9104 11+ -5 205 5 1+6 9 76 9 2

22、+ -7 10 9110+7 5-10 6+7105 3 1+9 7 65 3 9+ -6 8 111 2 4 9+ +10 9 5 113 1 5+ +4 7 65 1 1+ +6 8 61 1 2+ -10 7 9+1 2+7 31 3+10 89107 6 1 11 2 1 + - + -10 7 5 20 9 9+310+3 4+10 156 9 1 7 1+ - + 7 11 4 10 87 1 1+ +10 9 83 4+ -10 152 9+ - +9 109115 11+ -9 20154 2 1 2+ -15 3 7 9歐陽地創(chuàng)編110歐陽地創(chuàng)編6 1 2+ -11 8 9+3 5+8 6+310+7102 3 4+ -3 4 151 9+ -10 114 5 1+ +5 6 71 2+10 99 2+ -10 51 4 7 9+8 5 10 11+3103102 1 1+ +5 6 46 9 2+ +7 10 94 4 1 1 3 3 + + + +5 15 8 7 10 71 3 2 4 1 1 + + + -9 7 9 15 5 41 6 5 9+ -6 7 9 10+11203 1+4 43103 1 4+ -4 5 156 1 3+ +11 7 8+1 6+6 7+11 9+20 109109 1 5+11 6 92 9+ -5