64.2乘87+0.842乘1300
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64.2乘87+0.842乘130064.2乘87+0.842乘130064.2乘87+0.842乘130064.2*87=5585.40.842*1300=1094.21094.2+5585.4=6
64.2乘87+0.842乘1300
64.2乘87+0.842乘1300
64.2乘87+0.842乘1300
64.2*87=5585.4
0.842*1300=1094.2
1094.2+5585.4=6680
答案是:6680
64.2*87=5585.4
0.842*1300=1094.2
1094.2+5585.4=6680