Question

3.7÷0.84一(0.16十0.7)简便方法？

Answer 1

3.7×100/84-(0.16+0.7)=370/84-（16/100+70/100)=370/84-86/100=185/42-43/50=185×50/42×50-43×42/50×42=9250/42×50-1806/42×50=7444/42×50=7444/2100=1861/525

Answer 2

3.7÷0.84-(0.16+0.7)
＝3.7÷0.84-0.86
＝4.40-0.86
=3.54

Answer 3

2.5*0.6-1.8*0.5=0.5*3-0.5*1.8=0.5*(3-1.8)=0.5*1.2=0.6

Answer 4

3.7×1.1111 9.9999×0.7简便计算 3.7×1.1111+9.9999×0.7=3.7×1.1111+1.1111×9×0.7=（3.7+6.3）×1.1111=10×1.1111=11.111

Answer 5

3.7×1.1111 9.9999×0.7简便计算 3.7×1.1111+9.9999×0.7=3.7×1.1111+1.1111×9×0.7=（3.7+6.3）×1.1111=10×1.1111=11.111