问题 解答题 2.4×5=0.77+0.3=8÷12=1-0.4=0.35+0.18+0.65=25×58=67÷3=12÷34=56-34=15×(25-13)= 答案 2.4×5=120.77+0.3=1.078÷12=231-0.4=0.60.35+0.18+0.65=1.1825×58=1467÷3=2712÷34=2356-34=11215×(25-13)=1故答案为:12,1.07,23,0.6,1.18,14,27,23,112,1.