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6.8+0.1%6.8+0.1怎样脱式计算

(8.1÷0.4+0.5)×0.6 =(8÷0.4+0.1÷0.4+0.5)×0.6 =(20+0.25+0.5)×0.6 =20×0.6+0.25×0.6+0.5×0.6 =12+0.15+0.3 =12.45

8.9×0.1+0.1×1 =0.1×(8.9+0.1) =0.1×9 =0.9

(1)8÷(1-0.96)×0.06×8.41,=8÷0.04×0.06×8.41,=200×0.06×8.41,=12×8.41,=100.92;(2)56×[(25+23)÷56],=56×[1615×65],=56×1615×65,=1615;(3)(935×7-35)÷34,=(95-35)÷34,=65×43,=85;(4)[1-(38-38)]×425,=[1-0]×425...

算脱式计算 (6.1-4.6)×0.8-1 =1.5×0.8-1 =1.2-1 =0.2

50×(6.7×0.02) =50×0.02×6.7 =1×6.7 =6.7 1.3×17.8-1.3×6.8-1.3 =1.3×(17.8-6.8-1) =1.3×10 =13

题干不全

看胎儿发育情况最好按孕周计算比较准确,不要按孕月算。八个月最少是32周了,你可以自己对照一下数据。 孕32周:双顶径的平均值为8.17士0.65\\\'腹围的平均值为:26.20士2.33\\\'股骨长的平均值为6.43士0.49. 孕33周:双顶径的平均值为8.50士0.47\\...

笨蛋用计算器算。

括号3.1+1.248÷0.16括回除以0.1脱式计算 括号3.1+1.248÷0.16括回除以0.1 =(3.1+1.248÷0.16)÷0.1 =(3.1+7.8)÷0.1 =10.9÷0.1 =109

19.5-19.5*0.1-8.05 =19.5-1.95-8.05 =19.5-(1.95+8.05) =19.5-10 =9.5

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