题干
计算，怎样计算简便就怎样计算：
7.08－（2.54＋2.38） 5.74×0.25×4 6.37×0.75＋0.25×6.37 12.6×5＋0.5
答案(点此获取答案解析）
解：7.08－（2.54＋2.38）＝7.08－4.92＝2.165.74×0.25×4＝5.74×（0.25×4）＝5.74×1＝5.746.37×0.75＋0.25×6.37＝（0.75＋0.25）×6.37＝1×6.37＝6.3712.6×5＋0.5＝63＋0.5＝63.5
