来自梁晗的问题
脱式计算（能简算的要简算）0.68×40.5×0.762.4×15-66.95÷65（0.295-0.17）×0.8÷0.112.5×25×0.321.68+11.3+2.7+3.321÷（3.1-3.09）+2.4．
脱式计算（能简算的要简算）
0.68×40.5×0.762.4×15-66.95÷65（0.295-0.17）×0.8÷0.112.5×25×0.321.68+11.3+2.7+3.321÷（3.1-3.09）+2.4．
1回答
2020-11-30 15:16