7.2除以1.6加0.8

巫萍范44807.2除以1.6+o.8怎么做 -
秦绿帖15514583221 ______ 7.2/1.6+0.8=9/2+4/5=45/10+8/10=53/10=5.3

巫萍范44808用简便算法怎么?7.2/1.6+0.8用简便算法怎么做
秦绿帖15514583221 ______ 7.2/1.6+0.8 =72/16+0.8 分子分母同时乘以10 =9/2+0.8 分子分母约去8 =4.5+0.8 =5.3

巫萍范44807.2/1.6+0.8脱式计算 -
秦绿帖15514583221 ______ 展开全部7.2/1.6+0.8=72/16+0.8=9/2+0.8=4.5+0.8=5.3

巫萍范44807.2除以16加0.8用竖式计 -
秦绿帖15514583221 ______ 7.2÷16+0.8=1.25 0.45 16|7.2￣￣ 0.45+0.8=1.25 64 80 80 0

巫萍范448012.34减4.54减5.46简便,0.98乘7.2简便 1.02乘6.5简便 (8减0.8)乘1.25简便 18.8乘101减18.8简便5.12加5,12乘9 简便 3.15乘1.6加1.85乘1.6简便 -
秦绿帖15514583221 ______[答案] 12.34-4.54-5.46=12.34-(4.54+5.46)=12.34-10=2.340.98*7.2=(1-0.02)*7.2=1*7.2-0.02*7.2=7.2-0.144=7.0561.02*6.5=(1+0.02)*6.5=1*6.5+0.02*6.5=6.5+0.13=6.63(8-0.8)*1.25=8*1.25-0.8*1.25=10-1=918.8...

巫萍范44807.2÷1.6+0.8可不可以简便计算 -
秦绿帖15514583221 ______ =4.5十0.8 =5.3

巫萍范44808能简便算吗能不能简便算?7.2÷1.6+0.8能简便算吗能不能
秦绿帖15514583221 ______ 1.25*17.6+36.1÷0.8+2.63*12.5 =1.25*17.6+36.1*1.25+26.3*1.25 =1.25*(17.6+36.1+26.3) =1.25*80 =100 谢谢好评

巫萍范4480脱式计算7.2÷1.6+0.8怎么算 -
秦绿帖15514583221 ______ =4.5+0.8 =5.3

巫萍范448042除28,7.2除1.6+0.8计算面各题 -
秦绿帖15514583221 ______ 42除28等于1.5 7.2除以1.6加0.8等于5.3

巫萍范44801.6加23.4除以7.2的简便方法怎么做?2.07除以0.23在除以0.45简便方法怎么做? -
秦绿帖15514583221 ______ 1.6加23.4除以7.2 1.6+23.4÷9÷0.8 =1.6+2.6÷0.8 =1.6+13÷4 =1.6+3.25 =4.85 2.07除以0.23在除以0.45 =2.07÷0.9÷0.5÷0.23 =2.3÷0.23÷0.5 =10÷0.5 =20