1+1-1+1452+8+23+2+2++2++32+2++2+72++2+4+2+2+4++5+27+3

分类: 作业答案 • 2022-07-12 11:15:51

问题描述：

答

14-7.32-2.68 =14-(7.32+2.68) =14-10 =4 0.8×（4.3×1.25） =0.8×1.25×4.3 =1×4.3 =4.3 1.23+3.4-0.23+6.6 =1