问题 解答题 直接写得数.2-12=352+198=15+13=1.03+0.07=32÷1000=56×815=1÷49=0.7:0.25= 答案 2-12=112,352+198=550,15+13=815,1.03+0.07=1.1,32÷1000=0.032,56×815=49,1÷49=94,0.7:0.25=2.8.故答案为:112;550;815;1.1;0.032;49;94;2.8