口算下列各题2×40=60÷2=96÷3=3.8-1.2=13×30=180÷6=26×3=7.2+5.5=300×20=200÷5=210×40=5600÷7=51×33≈98×21≈558÷7≈358÷4≈

Question

口算下列各题

2×40=	60÷2=	96÷3=	3.8-1.2=
13×30=	180÷6=	26×3=	7.2+5.5=
300×20=	200÷5=	210×40=	5600÷7=
51×33≈	98×21≈	558÷7≈	358÷4≈

2×40=	60÷2=	96÷3=	3.8-1.2=
13×30=	180÷6=	26×3=	7.2+5.5=
300×20=	200÷5=	210×40=	5600÷7=
51×33≈	98×21≈	558÷7≈	358÷4≈

2×40=60÷2=96÷3=3.8-1.2=13×30=180÷6=26×3=7.2+5.5=300×20=200÷5=210×40=5600÷7=51×33≈98×21≈558÷7≈358÷4≈2×40=60÷2=96÷3=3.8-1.2=2×40=60÷2=96÷3=3.8-1.2=13×30=180÷6=26×3=7.2+5.5=13×30=180÷6=26×3=7.2+5.5=300×20=200÷5=210×40=5600÷7=300×20=200÷5=210×40=5600÷7=51×33≈98×21≈558÷7≈358÷4≈51×33≈98×21≈558÷7≈358÷4≈

Answer 1

2×40=80	60÷2=30	96÷3=32	3.8-1.2=2.6
13×30=390	180÷6=30	26×3=78	7.2+5.5=12.7
300×20=6000	200÷5=40	210×40=8400	5600÷7=800
51×33≈1500	98×21≈2000	558÷7≈80	358÷4≈90

2×40=8060÷2=3096÷3=323.8-1.2=2.613×30=390180÷6=3026×3=787.2+5.5=12.7300×20=6000200÷5=40210×40=84005600÷7=80051×33≈150098×21≈2000558÷7≈80358÷4≈902×40=8060÷2=3096÷3=323.8-1.2=2.62×40=802×40=8060÷2=3060÷2=3096÷3=3296÷3=323.8-1.2=2.63.8-1.2=2.613×30=390180÷6=3026×3=787.2+5.5=12.713×30=39013×30=390180÷6=30180÷6=3026×3=7826×3=787.2+5.5=12.77.2+5.5=12.7300×20=6000200÷5=40210×40=84005600÷7=800300×20=6000300×20=6000200÷5=40200÷5=40210×40=8400210×40=84005600÷7=8005600÷7=80051×33≈150098×21≈2000558÷7≈80358÷4≈9051×33≈150051×33≈150098×21≈200098×21≈2000558÷7≈80558÷7≈80358÷4≈90358÷4≈90