1÷27×17=7684×101-7684=14÷25%×18=13×2÷13×2=925-（337+0.4）=31.6.25-40÷16×2=（1-0.75）×（3.9+2.25÷2.5）=2720÷[534-4.5×（20%+13）]=[(3740+0.075)÷325−21724]×215=

Question

1÷(2)/(7)×(1)/(7)=	7684×101-7684=
(1)/(4)÷25%×(1)/(8)=	(1)/(3)×2÷(1)/(3)×2=
9(2)/(5)-（3(3)/(7)+0.4）=	31.6.25-40÷16×2=
（1-0.75）×（3.9+2.25÷2.5）=	2(7)/(20)÷[5(3)/(4)-4.5×（20%+(1)/(3)）]=
[((37)/(40)+0.075)÷(3)/(25)−2(17)/(24)]×(2)/(15)=

1÷(2)/(7)×(1)/(7)=	7684×101-7684=
(1)/(4)÷25%×(1)/(8)=	(1)/(3)×2÷(1)/(3)×2=
9(2)/(5)-（3(3)/(7)+0.4）=	31.6.25-40÷16×2=
（1-0.75）×（3.9+2.25÷2.5）=	2(7)/(20)÷[5(3)/(4)-4.5×（20%+(1)/(3)）]=
[((37)/(40)+0.075)÷(3)/(25)−2(17)/(24)]×(2)/(15)=

1÷(2)/(7)×(1)/(7)= 7684×101-7684=1÷(2)/(7)×(1)/(7)=1÷(2)/(7)×(1)/(7)=(2)/(7)2277(1)/(7)11777684×101-7684= (1)/(4)÷25%×(1)/(8)= (1)/(3)×2÷(1)/(3)×2=(1)/(4)÷25%×(1)/(8)=(1)/(4)÷25%×(1)/(8)=(1)/(4)1144(1)/(8)=(1)/(8)1188(1)/(3)×2÷(1)/(3)×2=(1)/(3)×2÷(1)/(3)×2=(1)/(3)1133(1)/(3)×2=(1)/(3)1133 9(2)/(5)-（3(3)/(7)+0.4）= 31.6.25-40÷16×2=9(2)/(5)-（3(3)/(7)+0.4）=(2)/(5)-（3(3)/(7)+0.4）=(2)/(5)2255(3)/(7)+0.4）=(3)/(7)337731.6.25-40÷16×2= （1-0.75）×（3.9+2.25÷2.5）= 2(7)/(20)÷[5(3)/(4)-4.5×（20%+(1)/(3)）]=（1-0.75）×（3.9+2.25÷2.5）=2(7)/(20)÷[5(3)/(4)-4.5×（20%+(1)/(3)）]=(7)/(20)÷[5(3)/(4)-4.5×（20%+(1)/(3)）]=(7)/(20)772020(3)/(4)-4.5×（20%+(1)/(3)）]=(3)/(4)3344(1)/(3)）]=(1)/(3)1133 [((37)/(40)+0.075)÷(3)/(25)−2(17)/(24)]×(2)/(15)=[((37)/(40)+0.075)÷(3)/(25)−2(17)/(24)]×(2)/(15)=[((37)/(40)+0.075)÷(3)/(25)−2(17)/(24)]×(2)/(15)=(37)/(40)37374040(3)/(25)332525(17)/(24)17172424(2)/(15)221515

Answer 1

（1）1÷27×17，=72×17，=12；（2）7684×101-7684，=7684×（101-1），=7684×100，=768400；（3）14÷25%×18，=1×18，=18；（4）13×2÷13×2，=（13÷13）×（2×2），=1×4，=4；（5）925-（337+0.4），=925...