54.58-3.76+3.58-5.24=(54.58+3.58)-(3.76+5.24)=58.16-9=49.16所以可以通过上面的计算得到达到49.16
54.58-3.76+3.58-5.24怎么算?解析:54.58-3.76+3.58-5.24=(54.58+3.58)-(3.76+5.24)=58.16-9=49.16