Р5.2+3.8= 3.8×0.3=?2.1÷0.3=?36÷0.6=?4.5÷0.5=Р7.7-0.7=?1.8×8=?4.2÷0.7=?32÷0.4=?6.4÷0.4=Р2、竖式计算Р4.05×101 9.1÷0.125Р3、拖式计算Р(13+47)×(52-18) (1024+4370)÷(24+38)Р4、简便计算Р17.85÷2.5-7.85÷2.5 40.8-3.48-16.52Р第九天Р1、口算Р0.42÷0.6=?3.2×0.5= 0.21×0.3= 2.5×4=Р900÷30=?12×70= 720÷72= 42×2=Р1800÷30=?63÷3= 1.3×0.5= 5.5÷11=Р0.4×90=?0.25×8= 12×40= 4.4×2=Р6.6×0.1=?2.5×0.4= 7.2÷0.6= 3.9÷3.9=Р2、竖式计算Р95×37= 45×86= Р3、拖式计算Р[10-(0.2+16.7×0.07)]×0.01 82.3-40.5÷0.81×1.2Р4、简便计算Р25.7+25.7×99 40.4÷0.5+9.5Р第十天Р1、口算Р0.12×5=?5×6.8=?0.2×10= 69÷3=Р1.3×6=?0.15÷5=?5.4÷0.9= 0.63÷0.9=Р6÷0.1=?4.8×2= ?0.12×3= 5×2.8=Р0.2×5=?0.28×3= ?0.16×4= 7.9×3=Р4.5×2= ? 4.8÷3=?1.8×4= ?3×3.3=Р2、竖式计算Р18.2–9.02= 15+6.92=Р3、拖式计算Р(9-0.45)÷(2.5+1.5×3) [1-0.98×(3.51-3.51)]÷2Р4、简便计算Р1.28×8.6+0.72×8.6 12.5×0.96×0.8