口算大比拼5×0=510×7=1-34=0+0=297×5≈33−22=3000×2=88×8=79−59=400×3=26÷5=16+56=2×6+3=875+25=5+5×6=

Question

口算大比拼 5×0=	510×7=	1-(3)/(4)=	0+0=	297×5≈
(3)/(3)−(2)/(2)=	3000×2=	88×8=	(7)/(9)−(5)/(9)=	400×3=
26÷5=	(1)/(6)+(5)/(6)=	2×6+3=	875+25=	5+5×6=

口算大比拼
5×0= 510×7= 1-(3)/(4)= 0+0= 297×5≈口算大比拼
5×0=
510×7=1-(3)/(4)=(3)/(4)=(3)/(4)33440+0=297×5≈ (3)/(3)−(2)/(2)= 3000×2= 88×8= (7)/(9)−(5)/(9)= 400×3=(3)/(3)−(2)/(2)=(3)/(3)−(2)/(2)=(3)/(3)3333(2)/(2)22223000×2=88×8=(7)/(9)−(5)/(9)=(7)/(9)−(5)/(9)=(7)/(9)7799(5)/(9)5599400×3= 26÷5= (1)/(6)+(5)/(6)= 2×6+3= 875+25= 5+5×6=26÷5=(1)/(6)+(5)/(6)=(1)/(6)+(5)/(6)=(1)/(6)1166(5)/(6)55662×6+3=875+25=5+5×6=

Answer 1

5×0=0， 510×7=3570， 1-34=14， 0+0=0． 297×5≈1500， 33−22=1， 3000×2=6000， 88×8=704， 79−59=29 400×3=1200， 26÷5=5.2， 16+56=1， 2×6+3=15， 875+25=900， 5+5×6=35．...