45×0.945 3.8﹣3.7 ÷1
①9.375﹣4.5﹣(﹣)
②3.2×0.25×125
③÷[(﹣25%)÷]
④(+﹣)÷
⑤(3.2×1.5+2.4)÷1.6
⑥0.75×65+×34+75%
综合算式:( )
145+398= 6-0.6= 0.24×50= 3﹣3÷7= (+)×56=
1.25×6×8= = = ÷0.75= ×4÷×4=