Question

3.7x0.15-0.29简便计算？

Answer 1

3.7x0.15-0.29
=3.7x0.3x0.5-0.29
=1.11x0.5-0.29
=0.555-0.29
=0.265

Answer 2

3.7×7.4 =4×7.4-0.3×7.4 =29.6-2.22 =27.38 所以，可以通过上面的简便计算过程，得到答案是27.38。