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乘法算式:×=
2×1= 3×2= 5-2= 1×1=
2×2= 3×3= 3+2= 2×3=
二四得
×=
1×2= 2×2= 2×3= 2×4=
5×2= 6×2= 2×7= 2×8=
9×2= 10×2= 0×2= 2×0=
算式:
答:
0,5,10,,,,,,,,55,60.
进入组卷