1.26*0.87+12.6*0.013的简便运算是?要有式子,好的我给加30分啊!限三分钟之内回答!!

2024-12-31 13:55:23
推荐回答(5个)
回答1:

1.26*0.87+12.6*0.013
=1.26*0.87+1.26*0.13
=1.26*(0.87+0.13)
=1.26*1
=1.26

回答2:

1.26*0.87+12.6*0.013
=1.26*0.87+1.26*10*0.013
=1.26*0.87+1.26*0.13
=1.26*(0.87+0.13)
=1.26*1
=1.26

回答3:

1.26*0.87+12.6*0.013
=12.6*0.087+12.6*0.013
=12.6*(0.087+0.013)
=12.6*0.1
=1.26

回答4:

1.26*0.87+12.6*0.013=1.26*(0.87+0.13)=1.26

回答5:

1.26×(0.87+0.13)