8×7=
[ ]
A.9
B.35
C.56
“8×5○40”,比较大小,在○里应填的符号是
A.>
B.<
C.=
8×6=
A.64
B.48
C.7
D.9
3×8=
A.81
B.24
C.6
D.7
7×7=
A.8
B.20
C.49
8×2=
A.12
B.16
C.24
D.32
8×4=
A.16
B.21
C.42
D.56
3×7=