①(++)÷
②35.21×73-3521×0.29+352×5
3×0.375+7×37.5%
12.5×8÷12.5×8
10-21.6÷6
×2.5÷×2.5
43.8-12.43-17.57
4.58×102- 45.8×0.2
①0.53×2.5+
②25×0.032×12.5
③ [()×]
④6.83+17.9﹣0.83+32.1
① []
②4.6+7.68﹣1+2.32
③1.25×2.5×0.4×8
④9.5×20%+
①216÷(18×6)
② × + ÷
③( - )× ×36
④125%×2.5×3.2
⑤4.67-(0.67+2.98)
⑥ ÷[2÷( - )]