问题
解答题
[20.026-(8.6+9.7)×0.92]÷30.19.
答案
[20.026-(8.6+9.7)×0.92]÷30.19,
=[20.026-18.3×0.92]÷30.19,
=[20.026-16.836]÷30.19,
=3.19÷30.19,
=
.319 3019
[20.026-(8.6+9.7)×0.92]÷30.19.
[20.026-(8.6+9.7)×0.92]÷30.19,
=[20.026-18.3×0.92]÷30.19,
=[20.026-16.836]÷30.19,
=3.19÷30.19,
=
.319 3019