1.26÷1.021.26 3.66÷3.71
4.32÷0.1243.2÷1.2 0.75÷0.890.75×0.89
×a=4.2 a- =3.75
①101×9.9
②44﹣72÷
③36×()
④÷[(﹣)×3]
⑤95×3.8+6.2÷
⑥0.25×40÷0.25×40