①4.6×9+
② +36÷ ﹣0.35×
③4÷9+7÷9+16÷9
④[( )÷ ]×(2.5+7.5)
⑤ +(15× )÷( )
①
②
③
④0.65×6.4-6.5×0.54+65×9%
⑤
⑥9999 +999 +99 +9 +4
①0.53×2.5+
②25×0.032×12.5
③ [()×]
④6.83+17.9﹣0.83+32.1
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]
①7.4﹣6.62+20.6﹣13.38
②×+×
③(-+)÷
④2×0.8×12.5×50%
⑤÷(÷+)
⑥×[1÷(+)]