北师大版五年级数学下册解方程100题

解方程 1. 58 x = 112 2 . 23 ÷x = 16 3 . 4x ＋7.5＝13 4 . x －0.6 x ＝5 5 . 56 ÷x ＝3.3 6 . 54 x =10 7 . x ÷21 = 43 8 . 41 χ＋31 χ= 611 9 . 8×134 －715 x =7 1 0 . 20%χ－51 = 54 1 1 . x - 83 x =20 1 2 . 25 x = 49 ×38 1 3 . x - 41x = 24 1 4 . 4 x + 21x = 9 1 5 . 95+ 2 x = 32 1 6 . 85 x - 53= 52 1 7 . 31 x +41 x =364 1 8 . （1－91 ）x = 89 1 9 . 53 x =20×43 2 0 . 32 x － 52 x =12 2 1 . 7 x －125 = 32 2 2 . x － 41 x = 91 2 3 . 4 x ＋7.5＝13 2 4 . 9.8-2 x =3.8 2 5 . 16a+ 13= 12 2 6 . x ＋3x =24 2 7 . 13 x ＋ 12 x ＝5 2 8 . 8.65+13-a +16=0 2 9 . x - 15 x =20 3 0 . 49 x =36 3 1 . 45 x = 1825 3 2 . x －13 x ＝12 3 3 . 3 x －18 ＝ 716 34. x = 35. x - x =15 36. x ÷12 = 0.6 3 7 . 15 x +6 x = 168 3 8 . x - = 3 9 . 2 x +5 = 40 4 0 . 3.5 x = 140 4 1 . 20% x ＝30 4 2 . 5 x －3×107 =57 4 3 . 5－ 23 x = 13 4 4 . 2 x - 43 x =12 4 5 . 1.5 x =2.25 4 6 . x ÷58 =1017 4 7 . x ÷ = 4 8 . x －30% x ＝ 4 9 . 8×（x －）= 5 0 . （１－）x ＝１４ 5 1 . 37.5＋20% x ＝69.5 5415168541218113316852074345425 2 . x - x = 5 3 . 4.2 × 3—3x = 5.1 5 4 . 13.7—x = 5.29 5 5 . x = 5 6 . 20% x－= 5 7 . x＋ x = 5 8 . 1÷2 x = 5 9 . － x = 6 0 . x÷= 6 1 . x－ x =15 6 2 . x×20% = 20 6 3 . x÷×= 6 4 . 4（4 x－1）=3（22－x） 6 5 . 1.5 x =28.5 6 6 . （0.5+ x）+ x=9.8÷2 15725149132515441316112175211014556733785761494367. x﹣2=40 68. 7×（2 x -6）=84 69. 8 x =42 70. x÷×= 71. x ÷5 = 72. ÷x = 73. 74. 75. 1.5 x +6=3 x 76. x -= 77. 78. 35 x + 2.5×8=95 79. 5×3-x÷2=8 80. 2 01 7 －x = 43 81. 6585 x=150 82. 7441 x= 21 83. 8521 x= 3 25 53761 4943313153762 01 1441 153x2677xx85535252523 5()81 51 236xx84. 726x= 1 43 85. x -418 = 83 86. 2 11 0x= 1 45 87. 435x= 87 88. 1 27x= 52 89. x  531= 1 51 90. 21543x= 211 91. 21621121x 92. 5.2 5%1 5x 93. 2 041xx 94. 1 22146x 95. 3.3%1 0xx 96.5 04 31%2 4x 97. 61%7 552xx 98. 5.7%1 5 01 8x 99. x – 60% x =18 100. 40% x +30=80