问题 计算题 直接写出下面各题的结果。7.2×0.1=12-43=0.45+0.55=36÷0.01=0.8×0.125=1-0.42=2.3+0.8=0.56÷0.7=0.36÷0.4÷9=3.6×2÷18= 答案 0.72；7.7；1；3600；0.1；0.58；3.1；0.8；0.1；0.4
