13.7-3.6-4.3-2.1
0.59×101
2.5×12.5×40×0.8
()×24
24×+75÷5+
9×3.45+11.1×180%+54.3÷
2.5×(1.9+1.9+1.9+1.9) 160×3.5×0.125
24×15+72÷5+14×20% 18×4.3+36×2.05-910×32
70÷(1﹣86%) 25%×48×12.5×4 [13﹣(38.2﹣36)]÷7.2
①67%×4.3+4.3×33%
②(124+0.375)×48
③0.875×25+75×87.5%