第1天 班级:______ 姓名:______ 日期:________ 一、口算题 0.32×5=1.6 1.8÷0.3=6 3.2−0.1=3.1 0.27÷0.03=9 1.8×20=36 0.01÷0.1=0.1 6.5×10=65 80×0.3=24 0.8×0.1=0.08 0÷7.05=0 0.4×25=10 1.25×8=10 3.6÷10=0.36 2.6÷0.02=130 0.11×5=0.55 二、简便运算 4.8×0.98 =4.8×(1−0.02) =4.8−0.096 =4.704 5.5×8.2+1.8×5.5 =5.5×(8.2+1.8) =5.5×10 =55 0.25×0.89×4 =0.25×4×0.89 =1×0.89 =0.89 2.35×4.64+5.36×2.35 =2.35×(4.64+5.36) =2.35×10 =23.5 三、应用题
