某数加0.6乘0.6减0.6所得的差再除以0.6结果还是0.6这个数是(1)
(0.6×0.6+0.6)÷0.6-0.6
=(0.36+0.6)÷0.6-0.6
=0.96÷0.6-0.6
=1.6-0.6
=1