①4.82﹣5.2÷0.8×0.6
② ÷[ ×( - )]
③78.53﹣(8.53﹣6.94)
④( + - )÷
⑤53.5×5.8+0.42×535
⑥0.72- +2.28-
农民李伯伯想换掉自家的旧冰箱,他到这家电器商场看中了一台新冰箱,并综合以上三个优惠,最后只花了2880元就买下这台新冰箱,这台新冰箱原价是多少钱?
56×10%= 3.2+1.78= ﹣= 0.72÷0.6=
1.25×8= 4÷= ×= ×6÷×6=