一 / 17六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 ) 158 +32 –43 1211–(91 +125 ) 254 ×43 –501 (65 –43 )÷(32 +94 ) 51 ×[31 ÷(21 +65 )] 12÷(1–73 ) [(1–61 ×52 )÷97 [(1–53 )×52 ]÷4 用简便方法计算: (51 –71 )×70 97×965 53 ×8+53 ×2 15×73 +15×74 (98 +43 –32 )×72 72×(21 –31 +41 ) (95 +131 )×9+134 30×(21 –31 +61 ) 二 / 174–52 ÷158 –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÷10 1110 +24121 ÷12 54 × 31 +5
2× 31 +1÷43 直接写出得数
125= 555×13-111×15= 25×0
25= 125-25+75= 999×15= 10-3
25+9÷0
125= 55×( 331 - 441 )= 20042003 ×= 10137 -(4 41 +3137 )-0
75= 三 / 17解方程: 12×(21 –31 +41 ) 51 +94 ×83 +65 185 +X = 1211 2X–91 = 98 X+53 = 107 3X–1
1 X+32 –21 =1817