问题 解答题 直接写得数8.5-1.5=6.2+8=9.87×0=750÷100=0.7+12.3=1-0.99=0.1×6.7=7.2÷8= 答案 8.5-1.5=7,6.2+8=14.2,9.87×0=0,750÷100=7.5,0.7+12.3=13,1-0.99=0.01,0.1×6.7=0.67,7.2÷8=0.9.