Question

（3.7x1.2+4.3x1.2）x1.25 求解答！

啊错了是6.4x0.29+6.4+8.71x6.4

Answer 1

(3.7×1.2+4.3×1.2)×1.25
=1.2×(3.7+4.3)×1.25
=1.2×8×1.25
=1.2×10
=12

追问

啊sorry错了是6.4x0.29+6.4+8.71x6.4

追答

6.4×0.29+6.4+8.71×6.4
=6.4×(0.29+1+8.71)
=6.4×10
=64

Answer 2

12
计算机是不错的选择 过程的话 (3.7×1.2+4.3×1.2)×1.25
=1.2×(3.7+4.3)×1.25
=1.2×8×1.25
=1.2×10
=12

追问

啊sorry错了是6.4x0.29+6.4+8.71x6.4

追答

6.4x0.29+6.4+8.71x6.4

＝1.856+6.4+55.744
＝57.6
加油哦 我以前也是这样 不过后来发现 的确不好 貌似错了 ...sorry啦