如题所述
第1个回答 2019-09-16
8.6X7.4+0.86X26
=8.6X7.4+8.6X2.6
=8.6X(7.4+2.6)
=8.6X10
=86本回答被网友采纳
=8.6X7.4+8.6X2.6
=8.6X(7.4+2.6)
=8.6X10
=86本回答被网友采纳
第2个回答 2019-09-16
8.6*7.4+0.86*26=0.86*74+0.86*26=0.86*(74+26)=0.86*100=86
第3个回答 2019-09-16
这题很简单的:8.6×7.4+0.86×26
=0.86×10×7.4+0.86×26
=0.86(74+26)
=0.86×100
=86
=0.86×10×7.4+0.86×26
=0.86(74+26)
=0.86×100
=86
第4个回答 2019-09-16
7.6*0.8+0.2*7.6
=7.6*(0.8+0.2)
=7.6*1
=7.6
=7.6*(0.8+0.2)
=7.6*1
=7.6