用简便方法计算下面各题.9÷0.125 25.25×0.65×4÷0.65 0.485×102-48.5= = == = = = = ==
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![用简便方法计算下面各题.9÷0.125 25.25×0.65×4÷0.65 0.485×102-48.5= = == = = = = ==](/uploads/image/z/240530-50-0.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%E4%B8%8B%E9%9D%A2%E5%90%84%E9%A2%98.9%C3%B70.125+25.25%C3%970.65%C3%974%C3%B70.65+0.485%C3%97102-48.5%3D+%3D+%3D%3D+%3D+%3D+%3D+%3D+%3D%3D)
用简便方法计算下面各题.9÷0.125 25.25×0.65×4÷0.65 0.485×102-48.5= = == = = = = ==
用简便方法计算下面各题.
9÷0.125 25.25×0.65×4÷0.65 0.485×102-48.5
= = =
= = =
= = =
=
用简便方法计算下面各题.9÷0.125 25.25×0.65×4÷0.65 0.485×102-48.5= = == = = = = ==
9÷0.125
=9* 1/8
=9/8
25.25×0.65×4÷0.65
=25.25*4*(0.65/0.65)
=25.25*4*1
=101
0.485×102-48.5
=48.5*1.02-48.5
=48.5*(1.02-1)
=48.5*0.02
=0.485*2
=0.97
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