小 学 毕 业 计 算 题 ( 脱 式 计 算 , 解 方 程 , 解 比 例 , 简 便 计 算 )脱式计算(21 +31 )÷21 -31811÷〔(51 -101 )×258853-11457÷57×41(21 -83 )÷(4 +85 ) 51 ×21 ÷51 ×21 (6.25 -40÷16)×3.5 (31 +41 )×(35 ÷65 )15 -103 ÷(54 -43 )(73 +23 )×257 ÷109 [4 ×(43 -83 )] ×2947.8 ÷〔1.6 ×(1-83 )+6.8 〕751×2.8 ÷(1.5 -0.3 )18÷1.5 -0.5 ×0.31615+(167 -41 )÷21(53 -41 ×54 )÷(43 -53 )23×4.4 ÷(3.3 +5.9 )161 ÷〔251 ×(52 +101 )〕1.56 ÷0.3 ×(0.74 -0.58 )53 ÷21 ×65 -32 8358-11859÷59×41 21 ÷32 -52 +41 (32 +81 )×(21 -199 )1.9 -17.86 ÷9.4 +191110÷〔56×(73 -83 )〕(125 -185 )÷121 -32 15×103 ÷(54 -43 )65 ×5÷65 ×52.05 -0.81 ÷2.7 ×4.5 1÷2.5 +2.5 ×4(51 +101 )×(4 -31 ) (65 -43 ) ÷125 +59 5-(61 -61 ×52 )14.8 -44.08 ÷5.84.8 ÷(0.3 ×0.2+0.18 )21 ×31 ÷21 ×31 (1211 -43 )÷( 2-21 )41 ÷( 1―21 ―41 )0.4 ×(3.85 -0.4 )÷13.8 〔1-(83 -41 )〕÷169 3.2 ×0.25 -2÷4 2-136 ÷269 -15453 ÷〔(98 -65 )×209 〕解方程:3X-1.2 ×3=1.2X-101 X=18 0.4X+7=1034×(X-21 )=8 0.25+41 X=23 5X-65 =1251.2 ×(3.8 +X)=10.854 X-120×51 =24 (54 ×75 )X-2=216.4 -5X=4.4 0.8 ×(X-0.8 )=8X-103 X=49 1511-53 X=154 3X-21 X=41 ×21201-43 X=0.8103 X+41 X-55=110 0.3 ︰X=3145 ︰X=32532 X+81 ÷165 =107 5X-65 =1251-54 X=0.643 X-41 X=21 X-83 X=40X︰20=652X+4.5 ×8=897X÷21 =53X+43 X=87 X×(85 +65 )=2076X+23 X=9X×31 ×54 =8 85 -X=16532 X-51 X=10 3.5X+1.8 =12.35X÷2=10 X-41 X=354 X-21 =582X÷5-1.5 =1.5 (X-10)×87 =56 0.6X﹕2=0.45X-83 X=223简便计算:65 ×17+61 ×172.25 ×3.14 ++77.5×0.31431 ×95 +94 ×3173 +97 +71 ÷4179 -173 -171491 +114 +98 +117185...