答案】【解析】亲，这道题的解题过程如下0.4(0.2x-3.5)=4.520.08x-0.4×3.5=4.52 0.08x-1.4=4.520.08x=4.52+1.40.08x=5.92X=5.92÷0.08X=74
0.4（0.2x-3.5）=4.520.2x-3.5=11.30.2x=14.8x=74
0.2x-3.5＝4.52÷0.40.2x＝11.3+3.5x＝14.8÷0.2x＝74
