Question

2.5x2.3÷2.5X2.3脱式计算需简便！

Answer 1

2.5x2.3÷2.5X2.3脱式计算需简便！
2.5x2.3÷2.5X2.3=2.5(2.3-2.3)=0

Answer 2

2.5x2.3÷2.5X2.3
=2.3x2.5÷2.5X2.3
=2.3x1X2.3
=2.3×2.3
=5.29