①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]
45÷[(0.5+)÷12] 12.5×(0.8×8) 2.25×1.8+12.5×0.18
①7.4﹣6.62+20.6﹣13.38
②×+×
③(-+)÷
④2×0.8×12.5×50%
⑤÷(÷+)
⑥×[1÷(+)]
①101×9.9
②44﹣72÷
③36×()
④÷[(﹣)×3]
⑤95×3.8+6.2÷
⑥0.25×40÷0.25×40
①
②
③
④
⑤
⑥3.2×0.25×125%