5.8×3.6+1.8×8.4怎么简便计算?

2025-04-02 10:13:40
推荐回答(4个)
回答1:

5.8×3.6+1.8×8.4
=5.8×2×1.8+1.8×8.4
=11.6×1.8+1.8×8.4
=1.8×(11.6+8.4)
=1.8×20
=36
望采纳

回答2:

=5.8x3.6+1.8x2x4.2 =5.8x3.6+3.6x4.2 =3.6x(5.8+4.2) =3.6x10 =36

回答3:

直接计算最简便。
5.8×3.6+1.8×8.4
=20.88+15.12
=36

回答4:

=5.8x3.6+1.8x2x4.2
=5.8x3.6+3.6x4.2
=(5.8+4.2)x3.6
=10x3.6
=36