7 的乘法口诀练习课林婧一、计算7+ 8=8× 2=9+ 4=7 + 17=1× 7=6× 7=27- 6=7 × 4=7× 5=15+ 12=3× 7=7 × 6=二、在○里填上+、-或×。20 ○ 5 = 153 ○ 7 = 2112 ○ 3 = 1518 ○ 3 = 217 ○ 4 = 114 ○ 7 = 285 ○ 7 = 357 ○ 7 = 4912 ○ 4 = 84×73×77×77×67×36×71×75×77×27×42×77×5你会吗?============4×7你会吗?3×77×77×67×36×71×75×77×27×42×77×54×7你会吗?3×77×77×67×36×71×75×77×27×42×77×54×7你会吗?28211421422849714423535比一比,谁做的最快?1x7+7= 2x7-7= 2x7+7= 3x7-7= 5x7+7= 6x7-7=8954321767×8954321767×8954321767×8954321767×8954321767×
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