0.94*2.2+4.4*0.03用简便方法计算
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0.94*2.2+4.4*0.03用简便方法计算0.94*2.2+4.4*0.03用简便方法计算0.94*2.2+4.4*0.03用简便方法计算0.94*2.2+4.4*0.03=0.94*2.2+2
0.94*2.2+4.4*0.03用简便方法计算
0.94*2.2+4.4*0.03用简便方法计算
0.94*2.2+4.4*0.03用简便方法计算
0.94*2.2+4.4*0.03
= 0.94*2.2+2.2*0.06
= 2.2 x ( 0.94 + 0.06)
= 2.2 x 1 = 2.2