1.2×0.3= ﹣= 32÷53×0=
0.25÷= 1﹣0.09= +20%=
①(+-)÷
②12-(1+2)
③5÷[(+)×]
④2.5×3.2×0.125
⑤0.125×+×8.25+12.5%
⑥÷﹣