六 年 级 数 学 计 算 题 训 练 计算下面各题: (1–61 ×52 )÷97 71 ÷32 ×7 25÷(87 –65 ) 1 58 +32 –43 1 21 1 –(91 +1 25 ) (65 –43 )÷(32 +94 ) 51 ×[31 ÷(21 +65 )] 12÷(1–73 ) [(1–61 ×52 )÷97 [(1–53 )×52 ]÷4 2 54 ×43 –5 01 用 简 便 方 法 计算: (51 –71 )×70 97×9 65 53 ×8+53 ×2 15×73 +15×74 (98 +43 –32 )×72 72×(21 –31 +41 ) (95 +1 31 )×9+1 34 30×(21 –31 +61 ) 4–52 ÷1 58 –41 48×(31 –21 +41 ) (53 +41 )×60–27 256 ÷9+256 ×98 24×(61 +81 ) 5–61 –65 98 ×( 9+43 ) –32 87 ÷32 +87 ×21 5–61 –65 54 +85 ÷41 +21 2–98 ×43 –31 87 +32 ÷54 +61 30×(61 +52 –21 ) 10÷101110 + 24121 ÷12 54 ×31 + 5.2×31 + 1÷43 直 接 写 出 得 数 。 2.4÷0.125= 555×13- 111×15= 25×0.32×0.25= 125- 25+75= 999×15= 10- 3.25+ 9÷0.3= 43.2÷0.125= 55×(331 -441 ) = 20042003 ×2005= 10137 - (441 + 3137 )- 0.75= 解 方 程 : 12×(21 –31 +41 ) 51 +94 ×83 +65 185 +X = 1211 2X–91 = 98 X+53 = 107 3X–1.4×2=1.1 X+32 –21 =1 81 7 5.5x–3x = 1.75 2 51 2 X = 15×53 X×(61 +83 )= 1 21 3 (1–95 )X = 1 58 X×(1+41 )= 25 X×72 = 2 18 15÷X = 65 X×54 ×81 = 10 X×32 = 8×43 X×43 ×52 = 18 X×1 09 = 24×81 X×31 ×53 = 4 X×72 = 18×31 3X = 10 7X–4X = 21 41 ×x+51 ×45 = 12 X+41 x = 20 51- 4.5=(51- 10X)×3 3X- 2×(10- X)=15 (1- X)÷3=2- X X÷25+ X÷5=X- 19 简便计算: 25×37×0.4 75×0.39×4 3338333 .7 544 1 13 53 6 125×39×16 5551 3 .7 52 .7 5888 34 .68425 41×35×2 5 12 92 45 14 34 3 101×99-897 136×4.06+4.06×64 7.02×123+877×7.02 1116 4 .53 41 11 12 102×5.6-5.6×2 471×0.25-0.25×71 43×126-86×13 313275 71 2592 14 51 76531 1)(- 83533585...