看谁算得又对又快.2×7=______; 5×7=______; 6×7=______; 4×7=______; 7×7=______; 3×
看谁算得又对又快.2×7=______;5×7=______;6×7=______;4×7=______;7×7=______;3×7=______;6×5=______...
看谁算得又对又快.2×7=______; 5×7=______; 6×7=______; 4×7=______; 7×7=______; 3×7=______; 6×5=______; 1×7=______.
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