0.44×8-3.4×0.8=0.44×8-0.34×8=(0.44-0.34)×8=0.1×8=0.8
利用乘法分配律计算0.44*8-3.4*0.8=0.44*8-0.34*8=8*(0.44-0.34)=8*0.1=0.8
0.44x8-3.4x0.8=0.44x8-0.34x10x0.8=(0.44-0.34)x8=0.1x8=8