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异分母分数加减混合运算习题

来源:爱go旅游网
547131

+ = - = - = 5- 6910554

1= 45747111

+ = 2 + = + = + =

82431212971155542

- = - = - = + = 53105324714

819 + 6 = 35-16= 1213 3515 2939 467 1-35 =

7110 + 5= 512+112= 7310 - 10 = 53 88 11 210

712-212=

57-12= 34 + 516 = 13+12= 1134 5919

812512 3814 79 -29 = 1 - 34 = 23+15= 25 + 35 = 1213 5193 29+89= 34+38= 16 + 1

5 = 1-12= 1315

710310 156 4515 78 + 18 = 152 + 6 = 314+4= 57 + 514 = 35115 513+613= 815-13= 57+5= 5 13+14= 167+7= 31612 2319 1213 91012 25-14 = 13 - 19 = 1-1322 = 34 + 1

7 = 14 78-18= 1-211= -34=

15-16= 213+6=

157 3 + 155 = 7828

2314

112- 4 =

57+12=

117-14=

1525 711411 15-16= 316+1316=

1

四、计算下面各题,能简算的要简算。

1

322313  1 + 3 - 4 = 7 - 2 + 1 = 55589810524685431719275

+ - + ) + + 10- - 8585

78-512+16

59+(34+12)

415 - (8 + 14)

1315 - 16 + 56 25 - 5-49-59

152121 4233-(5+10) 110+38-25 3458 + 7 + 8 512 - 718 56 + 314 - 3 1212 5197+4-14 35-(215+13) 1116+7+5= 23 + 156 - 12 546 + 9 + 59 34+36-58 6-(324-5) 16+12-16= 27 - (217 - 8) 12 +(23 -1

4 )

111 417 2471 251

95953812254363

225 5(51) 2(31) 9(21)

77

23+(12-14)

2-156-6=

1-45 -15 =

14+13+14+23

45 -14 +13

882 25+133+5 15+56+45= 23 +41

5 +3 = 91357+8+8+7910 +3320 -15 942 67+8311+11 1-112-4=

45+13+15 815-(8715+18)1-712 +34 1054 931213-(13+26)13(121535) 1115 + 411+415=

3 - 14 - 13 - 3

4 2728 +﹙13514 -7 ﹚

1739235153113--= +-= ++= ++= 202020988444141414 1-2152152541-= + + + + 4- -

6768365533

45 -(112 +4 )

512 -(1112 -2)

5158-3+12

3–(199

21 - 14 ) 6

342513

34 -27 +14 +2

7 435 +(8-14) 21511-38-58 -(324-5)

43510415 2-1134 - 3 - 4 0.8+-347-7 59+712+49 132156 34(3184) 58 +0.2 12+14-16 73118+4-12

2+153+35

61156712311531+++ -+- ++-128812

1247+9+7+79

24413 + 5 -(5 - 5 )

34 -27 +14 +2

7

637213-7+13-7

126 +57 +5

6 + 7

989811151115 916+38+716+18 715 + 1115 -(311474210 + 15 ) 15 + 9 - 15 + 9 253125138853 4969

138117121258 11 + 15 + 411 + 25 35+710+25 7321548-8+5 2-19-19 3158184252813+- -+- +- -+

41269595964 15315

1-13555544724- + + + - ++

68

89+(23-12)

5-49-59

561413

4325-10+3

10-(23 +12 )

13131378-512+16 213+(2-14) 15715415 12-(34-38) 411

5 -6 +3 939979 43-(25+310) 1332-(4-8)

3-(969314 + 7 ) 10 -(4 -16 )7322-57-27= 10(45) 56-(12+13) 45 -310 +15

4

915109

221117317724454 + - + = (+)-(-) - - -

35352010

11114312+58+8+12-27-27

45-(710-1320)+910-(16+23)

解方程

114 + x = 11

12 5+χ=920

59=3 X+3 = 7

510

27+x = 1121 x + 3114 = 12

2010x3748 X + 375 = 8 χ+37=34

25131313378x12 χ+ 37x 48 X-7311213+X= + + x = x +( + )=2

723348121211= 2X-=1- 3x-29 =19 37

x-5712 =24

x - 316 = 5

8 X-1153+6=6

56 -x=12

516-χ=4

314-X=6

551 x472 x656 x12 x(337445)1 13 =2- 1

3 3x-14×2 =11

111312x56 16x38 79-x= 427 334 -x= 10 3 5x134 χ-815=25

χ-23 = 1 +124 89x56

13316 - x= 8 4x -

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