脱式计算,能简算的要简算.25×3.2×125 1 25 ×99+ 1 25 81 83
脱式计算,能简算的要简算.25×3.2×125125×99+1258183×8247×20+8÷745×(13-15)÷512415×8×217....
脱式计算,能简算的要简算.25×3.2×125 1 25 ×99+ 1 25 81 83 ×82 4 7 ×20+8÷ 7 4 5×( 1 3 - 1 5 )÷ 5 12 4 1 5 ×8×2 1 7 .
展开
1个回答
展开全部
(1)25×3.2×125 =25×4×(0.8×125) =100×100 =10000; (2)
=
=
=4; (3)
=
=
=81-
=80
(4)
=
=
=
=16; (5)5×(
=5×
=
(6)4
=
=72. |
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