真分数化为小数后,如果小数点后连续2004个数字之和是8684,那么a可能等于多少?
(得数保留一位小数)2.84×0.05= 1.204÷0.43= 2.08×7.5= 18.9÷0.54=1.05×2.4= 1.44÷1.8= 1.89÷0.54= 0.35×8.6=5.61÷6.1=(得数保留两位小数) 9.58÷0.23= 6.21÷0.3= 54÷0.36=
竖式计算 46.72÷6.4 2.85×7.5(得数保留两位)
直接写出得数.2×0.8= 2.5×0.6= 30×0.05= 8×0.25= 16÷5=0.5÷0.25= 5.7÷0.3= 9÷0.6= 35×0.25+5×0.25= 0.7+0.35+0.6÷2=
口算. 45×0.2= 0.88÷0.44= 2﹣1.2= 12.5×0.8= (1.5+0.25)×4=4.5÷0.9= 8.5×10= 5.2÷0.2= 1.2×6= 12﹣6.5﹣3.5=
口算.40×0.7= 8.4÷0.2= 3.67×0.2= 3.5÷10=3.6÷0.6= 1.7×0.5= 1.25×8= 7.9÷100=