问题
解答题
123×5.67+8.76×567．
答案
123×5.67+8.76×567，
=1.23×567+8.76×567，
=（1.23+8.76）×567，
=（10-0.01）×567，
=567×10-567×0.01，
=5670-5.67，
=5664.33．
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123×5.67+8.76×567．
123×5.67+8.76×567，
=1.23×567+8.76×567，
=（1.23+8.76）×567，
=（10-0.01）×567，
=567×10-567×0.01，
=5670-5.67，
=5664.33．