0.952÷28 和 4.15×24 这两题怎么简算?

0.952÷28
=0.476÷14
=0.238÷7
=0.034
4.15×24
=0.83x120
=8.3x1.2
=8.3+1.66
=9.96不够简便~0.952÷28 =（0.952÷4）÷（28÷4）=0.238÷7=0.0344.15×24 =4.15x6x4=24.9x4=4x25-0.4=99.6再详细一点~~我就采纳你0.952÷28 =（0.952÷4）÷（28÷4）=0.238÷7=0.0344.15×24 =4.15x6x4=24.9x4=（25-0.1）x4=4x25-0.4=99.6