1、958835,直接写出下面各题的得数。930.95 9300950 93000.95 9309500 883.59500 883500.95 8835095 三、估算。797199 497302 94303 48184 四、计算。81804.71.6 943080943080 7 4 3 1 1 6.5 160 ( ) 3 5 4 5 8 7 7 1 1 ( ) 30798 6 6 4 8 29.4765.6 26174 7 2 5 1 1 2 6 3 4 2 3 2 1 1 3 10 7 11 11 3 9 2 4 17 17 18 7 1 7 2 ( ) 72 11 8 8 8 3 182
2、.5251970 61.425271 8560= 83040= 810= 40050= 700.1= 934= 1.20.6= 4225%= 15 1 6 1 6 2 1 = 5 = 7 7 7 7 5 3 7 6.712.74= 5.20.1= 0.532= 202= 二、根据78907020,直接写出下面各题的得数。0.78900 7.89 780090 780090 7029000 702000.9 70.29 7029000 502403 896296 62104 29852 40501.12.6 7.1987.198 9 4 2 1 1 9.5 45 ( ) 4 5 3 3 5 6
3、6 1 1 ( ) 60202 7 5 2 6 153.95.1 4.30.82 6 2 5 1 5 6 7 3 4 3 6 1 5 1 1 3 14 3 3 2 6 4 2 17 17 22 3 1 7 1 ( ) 96 19 4 4 8 4 2083257.1 84.550185 691= 860490= 940= 54060= 410.2= 849= 0.40.1= 67 1 2 1 1 5 4 = 8 = = 4 4 7 3 6 6 5 6.432.79= 6.272.48= 12516= 7.77= 二、根据1027270,直接写出下面各题的得数。0.1270 1270 0.127
4、1000.27 27270 2.70.27 2.72700 27027 897398 896297 9199 35944 51.12.82.6 86100.0786100.07 7 7 6 1 1 7.5 147 ( ) 6 5 7 7 3 5 4 1 1 ( ) 20302 4 3 4 8 878272.3 0.8264 7 1 3 7 4 7 8 4 4 8 5 3 8 1 1 2 5 31 31 4 9 3 3 7 7 17 1 6 7 3 48 11 7 7 6 4 30344156.5 53.234108 939= 750210= 1230= 56040= 692.6= 310= 0.80.1= 5070%= 13 1 1 6 7 1 3 = 4 = 7 7 3 7 8 4 2 5.270.81= 6.841.5= 0.258= 3903=