10x-8.2x=0.18x=0.1
[1.6+0.8×0.5]÷2=瞎晌和[1.6+0.4]÷2=2÷2=1解:设谨早这个数是磨盯x10x=8.2x+0.1810x-8.2x=0.18 1.8x=0.18 x=0.18÷1.8 x=0.1