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電子課本網(wǎng) 第17頁

第17頁

信息發(fā)布者:
答:0.148,0.184,0.418,0.481,0.814,0.841。
答:4.018,4.081,4.108,4.180,4.801,4.810,8.014,8.041,8.104,8.140,8.401,8.410。
答:170.9,710.9,190.7,910.7,790.1,970.1。
答:1.079,1.097,7.019,7.091,9.017,9.071,1.709,1.907,7.109,7.901,9.107,9.701,
1.790,1.970,7.190,7.910,9.170,9.710,0.179,0.197,0.719,0.791,0.917,0.971。
1.1<1.2<1.4<1.5 
108÷2=54(元) 
108×2+54=270(元)
答:他們一家四口人購買從南通到南京的火車票至少
需要270元。