1、二、根据5815870,直接写出下面各题的得数。0.581.5 581500 5.81.5 580015 8715 87000.15 8.70.15 三、估算。903403 701397 61301 29652 四、计算。92.25.61.3 323070323070 8 1 4 1 1 0.5 45 ( ) 7 5 3 3 5 5 7 1 1 ( ) 20899 6 6 2 8 906185.2 6.135.5 5 1 9 2 1 7 6 2 8 3 7 4 1 1 1 9 10 20 20 5 10 2 4 19 19 8 1 2 8 1 ( ) 56 7 3 3 7 4 16.8249.
2、46 7922198 992= 990120= 310= 14010= 810.4= 924= 2.40.6= 6070%= 11 5 1 1 2 8 5 = 9 = 6 6 2 5 3 7 6 5.281.98= 5.092.46= 2.52= 655= 二、根据52964992,直接写出下面各题的得数。0.5296 52096 0.0529600 49.9296 499.2960 49920.96 4992009.6 602398 703201 66197 35354 8273.63.5 8658086580 6 7 5 1 1 9.5 210 5 5 6 7 5 3 5 1 1 ( )
3、23799 4 4 4 8 7144144 71.590 6 1 1 4 1 8 7 5 8 5 3 1 1 1 1 10 1 35 35 5 9 4 3 11 11 7 4 1 9 1 48 5 5 5 8 3 28.0836620 654176 858= 710510= 1550= 25050= 902= 348= 4.80.6= 480%= 9 4 1 4 1 2 5 = 3 = = 5 5 2 5 2 3 6 6.811.48= 6.081.9= 252= 3.5二、根据38843192,直接写出下面各题的得数。38008.4 38000.84 380084 0.388.4 31.92
4、84 319.20.84 31920840 902403 496398 8797 35664 33602.34.6 89008900 9 2 6 1 1 1.5 63 4 5 7 3 3 6 6 1 1 ( ) 30801 7 5 4 6 565267.1 9.421 6 1 5 1 1 6 7 2 4 7 6 3 5 1 1 4 1 14 14 4 6 3 2 5 5 3 6 1 6 1 28 2 7 7 7 4 76.824538 26.850186 9758= 64070= 410= 24030= 632.3= 926= 4.50.9= 463 1 3 1 3 6 1 = 8 = 2 2 5 7 4 5 4 5.511.04= 6.251.24= 0.2532= 4004=