1、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。721482821515152xxx23t3t1aaa212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。245050242574282636124129723472(34)125241258315(94)15915414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.
2、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。21375 28159285932(2003) 38393819减法、除法的运算性质。70812476563497618(352282) 54045560025420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.
3、75.851.750.2515.0478.925.04712.63.287.45.72答案1112.131516.17472512924679121 472(5129) 246(79121)47280 246200552 4463136187239(31387)(61239)400300700182137528159285925137 28(15959)10137 281001370 280032(2003) 38393832200323 38(391)640096 38406496 15201970812476563497708(12476) 563(5003)708200 56350035
4、08 66618(352282) 54045618352282 540(95)618282352 54095900352 605548 1256002545600(254)560010056204.61.283.093.323.096.4156.47(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
