7.2除以1.6加0.8竖式

浦逃曹52297.2x1.6 0.8的简便计算 -
蓝林股13983873113 ______ 7.2x1.6+0.8=(7.2x2+1)x0.8=15.4x(1-0.2)=15.4-3.08=12.32

浦逃曹52297.2/1.6+0.8脱式计算 -
蓝林股13983873113 ______ 展开全部7.2/1.6+0.8=72/16+0.8=9/2+0.8=4.5+0.8=5.3

浦逃曹52297.2除以1.6+o.8怎么做 -
蓝林股13983873113 ______ 7.2/1.6+0.8=9/2+4/5=45/10+8/10=53/10=5.3

浦逃曹52297.2除以16加0.8用竖式计 -
蓝林股13983873113 ______ 7.2÷16+0.8=1.25 0.45 16|7.2￣￣ 0.45+0.8=1.25 64 80 80 0

浦逃曹52297.2÷1.6+0.8可不可以简便计算 -
蓝林股13983873113 ______ =4.5十0.8 =5.3

浦逃曹522912.34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 -
蓝林股13983873113 ______[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...

浦逃曹52291.6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? -
蓝林股13983873113 ______ 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

浦逃曹52297.2乘(0.8加19.4)简便计算 -
蓝林股13983873113 ______ 7.2乘(0.8加19.4)=7.2*20.2=7.2*20+7.2*0.2=144+1.44=145.44

浦逃曹5229小学简便运算
蓝林股13983873113 ______ 3.5÷1.4=3.5÷0.7÷2=5÷2=2.5 0.45*10.2=0.45*10+0.45*0.2=4.5+0.09=4.59 7.2÷0.5÷1.6=7.2÷(0.5*1.6)=7.2÷0.8=9

浦逃曹52297.2÷1.6+0.8 -
蓝林股13983873113 ______ 5.3