0.78÷0.3×1.01-1.6
=2.6x(1+0.01)-1.6
=2.6x1+2.6x0.01-1.6
=2.6-1.6+0.026
=1+0.026
=1.026
谢谢,请采纳
0.78÷0.3×1.01-1.6
=0.78×10÷(0.3×10)×1.01-1.6
=7.8÷3×1.01-1.6
=2.6×1.01-1.6
=2.6×(1+0.01)-1.6
=2.6×1+2.6×0.01-1.6
=2.6-1.6+0.026
=1+0.026
=1.026
=2.6*(1+0.01)-1.6
=2.6-+0.026-1.6
=(2.6-1.6)+0.026
=1+0.026
=1.026
0.78÷0.3×1.01-1.6
=2.6×1.01-1.6
=2.626-1.6
=1.026