(39-5.8)×0.7-1.14如何简便运算

(39-5.8)×0.7-1.14如何简便运算
2025-05-17 17:48:15
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(39-5.8)×0.7-1.14如何简便运算

(39-5.8)×0.7-1.14

=33,2×0.7-1.14
=23.24-1.14
=22.1.