Question

2.07÷0.25×7.3如何用简便方法计算？

Answer 1

2.07÷0.25×7.3=2.07x4÷(0.25x4)x7.3=8.08÷1x7.3=8.08x(7+0.3)=8.08x7+8.08x0.3=56.56+2.424=58.984

追答

错了

应是

2.07÷0.25×7.3=2.07x4÷(0.25x4)x7.3=8.28÷1x7.3=8.28x(7+0.3)=8.28x7+8.28x0.3=57.96+2.424=58.984

2.07÷0.25×7.3=2.07x4÷(0.25x4)x7.3=8.28÷1x7.3=8.28x(7+0.3)=8.28x7+8.28x0.3=57.96+2.484=60.444

对不起，最后一个才是正确的。