问题
解答题
25×2.64+12.5×0.726+0.125．
答案
25×2.64+12.5×0.726+0.125，
=12.5×5.28+12.5×0.726+12.5×0.01，
=12.5×（5.28+0.726+0.01），
=12.5×6+12.5×0.016，
=75+12.5×8×0.002，
=75+0.2，
=75.2．
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25×2.64+12.5×0.726+0.125．
25×2.64+12.5×0.726+0.125，
=12.5×5.28+12.5×0.726+12.5×0.01，
=12.5×（5.28+0.726+0.01），
=12.5×6+12.5×0.016，
=75+12.5×8×0.002，
=75+0.2，
=75.2．