3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,4,8,1D.4,1,2,6,8,5,9,3
3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,...[97%]
3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,4,8,1D.4,1,2,6,8,5,9,3
3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,...[97%]
3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,4,8,1D.4,1,2,6,8,5,9,3
口算。4÷2=10÷5=8÷2=12÷4=3÷3=4÷4=9÷3=12÷6=4÷2=5÷1=8÷4=l÷l=-二..[97%]
口算。4÷2= 10÷5= 8÷2= 12÷4=3÷3= 4÷4=9÷3=12÷6=4÷2=5÷1= 8÷4=l÷l=
根据乘法口诀算出得数。4×3=16÷4=18÷3=12÷4=4×6=5×6=4×5=9÷3=15÷..[97%]
根据乘法口诀算出得数。 4×3=16÷4=18÷3=12÷4=4×6=5×6=4×5=9÷3=15÷3=2×3=6×2=4×2=
3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,...[97%]
3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,4,8,1D.4,1,2,6,8,5,9,3
1×3×24+2×6×48+3×9×721×2×4+2×4×8+3×6×12.[97%]
1×3×24+2×6×48+3×9×721×2×4+2×4×8+3×6×12.
...,11,10,3,6,2,12,5,7B6,3,2,10,11,8,4,12,9,5,7C7,9,8,4,5...[97%]
...序为:
A9,4,8,11,10,3,6,2,12,5,7
B6,3,2,10,11,8,4,12,9,5,7
C7,9,8,4,5,12,3,10,2,11,6
D7,5,12,2,6,3,10,11,...
...,11,10,3,6,2,12,5,7B6,3,2,10,11,8,4,12,9,5,7C7,9,8,4,5...[97%]
...序为:
A9,4,8,11,10,3,6,2,12,5,7
B6,3,2,10,11,8,4,12,9,5,7
C7,9,8,4,5,12,3,10,2,11,6
D7,5,12,2,6,3,10,11,...
看谁算得又对又快。12÷4=36÷6=24÷6=12÷6=30÷6=18÷6=8÷4=15÷5=6÷1..[97%]
看谁算得又对又快。12÷4=36÷6=24÷6=12÷6=30÷6=18÷6=8÷4=15÷5=6÷1=12÷3=6÷3=16÷4=30÷5=18÷3=12÷2=25÷5=6÷6=8÷2=15÷3=4÷4=20÷5=6÷2=24÷4=21÷3=