口算。(1)4+4+4=(2)6+6+6+6=3×4=6×4=(3)5×6=(4)7×2=6×5=2×7=(5)12÷6=(6)18÷9=12÷2=18÷2=(7)3×7=(8)5×9=21÷7=45÷5=
直接写出得数。5×3=4×3=2×5=6×6=18÷6=15÷5=25÷5=21÷7=4×4=8×4=4×..[99%]
直接写出得数。5×3=4×3=2×5=6×6=18÷6=15÷5=25÷5=21÷7=4×4=8×4=4×7=5×4=24÷4=36÷6=18÷3=45-9=2×6=20÷5=16÷4=20÷4=
3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[99%]
3,4,5,6,9,8,1,2A.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
3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[99%]
3,4,5,6,9,8,1,2A.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
3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[99%]
3,4,5,6,9,8,1,2A.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
3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[99%]
3,4,5,6,9,8,1,2A.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
3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[99%]
3,4,5,6,9,8,1,2A.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
3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[99%]
3,4,5,6,9,8,1,2A.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
3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[99%]
3,4,5,6,9,8,1,2A.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
3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[99%]
3,4,5,6,9,8,1,2A.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