青岛版四年级下册数学 题型突破卷4.docx

题型突破卷4 计算题（二）专项4：根据算式中的规律直接比较大小11用字母表示数量关系。72148×2821515152 x×xx23×t3t 1×a×aa212加法运算律和减法的运算性质。768989761284357128(4357)2405644240(5644)178(7825)178782513乘法运算律和除法的运算性质。24×5050×2425×7×428×2636×124×12×972÷3÷472÷(3×4)125×24125×8×315×(94)15×915×414名数的改写。4.83千克 4千克83克0.36千米 365米26平方分米0.26平方米4.38米4米3分米8厘米15小数加减法。0.850.640.850.984.80.259.832.8313.43.719.683.713.712.26.95.426.95.46.95.3216小数加减混合运算。1323.2714.1513510.675.154.329.85.691.421.695.42专项5：脱式计算17加法运算律。472512924679121313618723918乘法运算律。2×137×5 28×15928×5932×(2003) 38×393819减法、除法的运算性质。70812476563497618(352282) 540÷455600÷25÷420小数加减混合运算。4.61.283.0956.47(35.2528.4)21小数的简便运算。27.373.272.75.851.750.2515.0478.925.04712.63.287.45.72答案11><<12.<13<14.><15<<>><16.<>174725129 24679121 472(5129) 246(79121)47280 246200552 4463136187239(31387)(61239)400300700182×137×528×15928×592×5×137 28×(15959)10×137 28×1001370 280032×(2003) 38×393832×20032×3 38×(391)640096 38×406496 15201970812476 563497708(12476) 563(5003)708200 5635003508 66618(352282) 540÷45618352282 540÷(9×5)618282352 540÷9÷5900352 60÷5548 125600÷25÷45600÷(25×4)5600÷10056204.61.283.093.323.096.4156.47(35.2528.4)56.476.8563.322127.373.272.727.372.773.210073.2173.25.851.750.255.85(1.750.25)5.8523.8515.0478.925.04715.0475.0478.92108.9218.9212.63.287.45.72(12.67.4)(3.285.72)20911