6.3×2.3+3×7.7×2.1简便计算

6.3×2.3+3×7.7×2.1简便计算
2025-02-23 22:08:35
推荐回答(4个)
回答1:

=6.3×2.3+6.3×7.7
=6.3×(2.3+7.7)
=6.3×10
=63

回答2:

6.3×2.3+3×7.7×2.1
=6.3x2.3+6.3x7.7
=6.3x(2.3+7.7)
=6.3x10
=63

回答3:

=6.3x2.3+6.3x7.7
=6.3X(2.3+7.7)
=6.3Ⅹ10
=63

回答4:

知道的都是学霸