某商场在促销活动中,将原价36元的商品,连续两次降价m%后现价为25元.根据题意可列方程为 .
-2.6的相反数是_____,倒数是_____,绝对值是______;
-的相反数是______,倒数是_______;
_____÷(-2)=0,依据法则是__________;
(-63)÷7=_____,依据法则是__________;
(-42)÷(-6)=_____,依据法则是__________;