直接写得数62-47=230+490=500-130=800×5=120×4=0×99=1-19=35-15=38+28=523-192≈196+203≈298×7≈4×152≈

Question

直接写得数

62-47=	230+490=	500-130=	800×5=
120×4=	0×99=	1-(1)/(9)=	(3)/(5)-(1)/(5)=
(3)/(8)+(2)/(8)=	523-192≈	196+203≈	298×7≈
4×152≈

直接写得数

62-47=	230+490=	500-130=	800×5=
120×4=	0×99=	1-(1)/(9)=	(3)/(5)-(1)/(5)=
(3)/(8)+(2)/(8)=	523-192≈	196+203≈	298×7≈
4×152≈

62-47=	230+490=	500-130=	800×5=
120×4=	0×99=	1-(1)/(9)=	(3)/(5)-(1)/(5)=
(3)/(8)+(2)/(8)=	523-192≈	196+203≈	298×7≈
4×152≈

62-47=230+490=500-130=800×5=120×4=0×99=1-(1)/(9)=(3)/(5)-(1)/(5)=(3)/(8)+(2)/(8)=523-192≈196+203≈298×7≈4×152≈62-47=230+490=500-130=800×5=62-47=230+490=500-130=800×5=120×4=0×99=1-(1)/(9)=(3)/(5)-(1)/(5)=120×4=0×99=1-(1)/(9)=(1)/(9)=(1)/(9)191199(3)/(5)-(1)/(5)=(3)/(5)-(1)/(5)=(3)/(5)353355(1)/(5)=(1)/(5)151155(3)/(8)+(2)/(8)=523-192≈196+203≈298×7≈(3)/(8)+(2)/(8)=(3)/(8)+(2)/(8)=(3)/(8)383388(2)/(8)=(2)/(8)282288523-192≈196+203≈298×7≈4×152≈4×152≈

Answer 1

62-47=15	230+490=720	500-130=370	800×5=4000
120×4=480	0×99=0	1-(1)/(9)=(8)/(9)	(3)/(5)-(1)/(5)=(2)/(5)
(3)/(8)+(2)/(8)=(5)/(8)	523-192≈300	196+203≈400	298×7≈2100
4×152≈600

62-47=15230+490=720500-130=370800×5=4000120×4=4800×99=01-(1)/(9)=(8)/(9)(3)/(5)-(1)/(5)=(2)/(5)(3)/(8)+(2)/(8)=(5)/(8)523-192≈300196+203≈400298×7≈21004×152≈60062-47=15230+490=720500-130=370800×5=400062-47=1562-47=15230+490=720230+490=720500-130=370500-130=370800×5=4000800×5=4000120×4=4800×99=01-(1)/(9)=(8)/(9)(3)/(5)-(1)/(5)=(2)/(5)120×4=480120×4=4800×99=00×99=01-(1)/(9)=(8)/(9)1-(1)/(9)=(8)/(9)(1)/(9)19111999=(8)/(9)(8)/(9)89888999(3)/(5)-(1)/(5)=(2)/(5)(3)/(5)-(1)/(5)=(2)/(5)(3)/(5)35333555-(1)/(5)=(2)/(5)(1)/(5)15111555=(2)/(5)(2)/(5)25222555(3)/(8)+(2)/(8)=(5)/(8)523-192≈300196+203≈400298×7≈2100(3)/(8)+(2)/(8)=(5)/(8)(3)/(8)+(2)/(8)=(5)/(8)(3)/(8)38333888+(2)/(8)=(5)/(8)(2)/(8)28222888=(5)/(8)(5)/(8)58555888523-192≈300523-192≈300196+203≈400196+203≈400298×7≈2100298×7≈21004×152≈6004×152≈6004×152≈600