1、292697,直接写出下面各题的得数。9300290 93290 0.93290 93029000 26.9729 269700290 269.72.9 2697002900 三、估算。703101 501202 84299 35251 四、计算。62.74.72.1 4300.44300.4 3 2 2 1 1 5.5 60 ( ) 2 5 3 4 5 7 7 1 1 ( ) 70602 8 6 4 6 606.931.5 3880.88 7 1 6 7 6 5 8 3 5 8 7 1 7 1 1 1 1 35 35 2 8 2 3 2 2 3 1 1 6 1 ( ) 30 2 2 2 5
2、2 686.273429 53.43660 9331= 620580= 410= 63070= 101.7= 140= 2.40.3= 4450%= 8 6 3 1 5 1 5 = 4 = = 7 7 5 5 6 8 4 5.321.89= 5.861.77= 0.2516= 2.46= 二、根据53653445,直接写出下面各题的得数。53006500 53006.5 5.36.5 0.530.65 34450.65 3445650 344506.5 344500901399 903296 89304 23933 70901.75.5 4.39704.3970 3 1 6 1 1 7.5 2
3、00 2 5 5 5 8 3 9 1 1 ( ) 39601 4 8 2 10 29.719290 71.71.4 7 1 1 1 1 7 6 2 2 8 7 2 1 1 2 9 2 44 44 3 9 2 3 11 11 13 1 6 5 1 24 7 7 7 6 2 19.24742.12 33.13880 7817= 640330= 650= 80451.3= 928= 0.60.6= 3410%= 6 1 6 1 1 8 2 = 6 = 5 5 7 3 4 7 3 5.261.9= 5.632.42= 0.258= 707= 二、根据43692967,直接写出下面各题的得数。43006
4、900 43000.69 4300690 430.69 29.676900 29676900 296706.9 29670702401 504297 79299 35762 59001.91.3 6920769207 15 4 9 1 1 0.5 448 ( ) 8 5 8 8 7 3 4 1 1 ( ) 28701 4 3 4 10 19671050 7.70.35 5 1 5 1 1 6 6 3 6 5 8 4 1 2 1 3 4 38 38 5 6 3 3 7 7 15 6 1 7 1 ( ) 72 11 7 7 6 4 4655956200 6624283 9119= 910520= 1320= 28040= 180.4= 529= 2.40.6= 385 1 1 1 4 6 4 = 4 = 2 2 2 2 5 5 5 6.261.04=