直接写8数．37÷8=32二+b8二=1二二二-128=72÷9=3b+1b=2二b×二=2二二×8=b99-2二3≈b二b×9≈1-25=3二1+298≈o二×5+o二=

Question

直接写8数．

37÷8=	32二+b8二=	1二二二-128=	72÷9=	(3)/(b) + (1)/(b) =	2二b×二=
2二二×8=	b99-2二3≈	b二b×9≈	1- (2)/(5) =	3二1+298≈	o二×5+o二=

Answer 1

37÷8=4…5	320+480=800	1000-128=872	72÷9=8	(3)/(4) + (1)/(4) =1	204×0=0
200×8=1600	499-203≈300	404×9≈3600	1- (2)/(5) = (3)/(5)	301+298≈600	60×5+60=360