(遂昌县)用递等式计算.①[1﹣(+)]×36②(+)×36③7.5×4.7+4.7×2.5④25.3×12﹣33.46÷0.35⑤×[÷(1﹣)]⑥+(﹣)÷.
×(+0.8÷)
(+)×(1-)
45÷×-1
×14
×9+12×