问题 解答题 直接写得数 6.2-3=2.7+1.8=0.25×4=3.6÷6=0.36+0.14=4-0.8=8.4÷4=9÷0.01= 答案 6.2-3=3.22.7+1.8=4.50.25×4=13.6÷6=0.60.36+0.14=0.54-0.8=3.28.4÷4=2.19÷0.01=900