计算下面各题.(能简算的要简算,并写出主要的计算过程) 6.7×7.3+6.7×1.7+6.7 1.25×0.25×32
计算下面各题.(能简算的要简算,并写出主要的计算过程)6.7×7.3+6.7×1.7+6.71.25×0.25×3221.36÷0.8-12.925.6-25.6×0.8...
计算下面各题.(能简算的要简算,并写出主要的计算过程) 6.7×7.3+6.7×1.7+6.7 1.25×0.25×32 21.36÷0.8-12.9 25.6-25.6×0.8 7.65×101-7.65 3.73÷2.5÷4.
展开
1个回答
展开全部
(1)6.7×7.3+6.7×1.7+6.7, =6.7×(7.3+1.7+1), =6.7×10, =67; (2)1.25×0.25×32, =1.25×0.25×(4×8), =(1.25×8)×(0.25×4), =10×1, =10; (3)21.36÷0.8-12.9, =26.7-12.9, =13.8; (4)25.6-25.6×0.8, =25.6×(1-0.8), =25.6×0.2, =5.12; (5)7.65×101-7.65, =7.65×(101-1), =7.65×100, =765; (6)3.73÷2.5÷4, =3.73÷(2.5×4), =3.73÷10, =0.373. |
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询
广告 您可能关注的内容 |