100道递等式计算(能巧算得要巧算)

(3) 197-46-54+13

⑸ 190+51 -166 466

⑺ 126 74-126 X 26

(9) 1685+59907+93 (10)72 35+128 X

(2) 83 91-9 X 38

X 52

(6) 123-84+159-16

(8) 627-83-17-17

35

(4)28252-76-126

(11) 197 X 99-187 X99

(13) 80-93+15-17

(15) 90-42-28 1X200

0

(17) 42 &X180-66

(12) 97 54+14-54

(14) 51+49+63+28 —

X82

(18) (152+90)

90X19

(16) 96 82+5

(19) 16-9833+2667

(21) 23 150+77 — 150

(23) 88 50+88—50

(25) 57-7-1099-1 (26) 181 66-80 >66

(20) 999 9-100-10

(22) 52+95 >101X12

X199

(24)112 200-112

(27) 39+61-48-52

(29) 71-42+50 X92

(31) 198-85 85-1

(33) 72-28-87-13

(35) 368 ＋2649 ＋1351

(28) 20 采00 弋0X56501

(30) 177 97-78 -^97

912+1555509 82

(34) 134+88+266+12

(36) 89＋101＋111

(32)15550

(37) 24 ＋127 ＋476 ＋573

(39) 327 ＋( 96 －127 ) (41) 442 －103 －142

(43) 67 5X2 (38) 400 －273 －127

(40) 72 98

＋99＋9

(44) 25 ( 78 X4)

(42) 999 (45) 72 氷25

(46)400 +5

(48) 103 27

(50) 3600 +25+4

(52) (25 + 12) >4

(45) 9000 +25^8

(47) 25 36

(49) 76 102

(51) 99 35

(53) 56 27 + 27X44

(54) 56 99 + 56

(56) 25 32X125

(58) (78 ＋61)＋39

(60) 348 ＋163＋242＋410＋537(55) 125 25 X8 X4

(57) 125 64

(59) 700 －82－18

爼7 - 47X25

(61)125

(61) 201X316 63) 3000－999

65)87X470＋870X53

67) 125X(8＋40)X25 62) 374－ 205 ＋226 － 95

64 ) 997X7＋21

)(55＋55＋55＋55X5)X125

68) 264X97＋4X264

66

(69) 454 + 999X999 + 545

X4＋44X5＋5X18

113-35 X194-3

(70) 9999X36 + 6666X3X32

3400 －62X34－38X20－

38X14

(74) 119+19+194-34

(71)62

(72)

(73)

(75) 112-62+38

(69) 454 + 999X999 + 545 (70) 9999X36 + 6666X3X32

(76) 102-78 X65X1

(77) 154 X7X167X98 (79) 88-22 179-78

(81) 184 81+151 -69

(83) 412 >2+417-87 (84) 31 72 X89 X11

(85) 134+82+126 -63

(78) 120 88十2X101

(80) 25+86 X67+55

(82) 165+21 >164+85

(86) 109 82+184 37

(87) 71 86+25-20

(89) 36+22-35+97

(91) 141+12 >71^78

(93)19 53 X77-61

(88) 128-75+185+32

(92) 21-87 111X35

(94) 22+254 书27-97=

(90) 109-87-70 45

(95) 71-87 75+17

(97) 117+79

>116-1

3

(99) 44 40-68

>38 (96) 116+48-125+86

(98) 2+45-161+38

(100)65900-45768+100