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一四 二得六 三五
五一十 三得九 四四
四得八 五二十五 五六
十二 二四 八九
得九 五三十五 三六
三五 得六 四十九
3×3= | 3×5= |
3×8= | 3×7= |
算式: | 答: |
乘法算式:×=
口诀
×=,×=
4×5= 8×4= 6×3= 52-36= 1×2=
13+18= 3×3= 9×3= 85-27= 24+49=
36-19= 42-7= 30-25= 24+15= 5×9=
( )×( )=12
( )×( )=12
( )×( )=12
( )×( )=12
3×4= 2×1= 4+4= 5×3= 35+18=
4×4= 3×2= 60+35= 89-26= 3×6=
2×8= 3×4= 6×5= 19+21= 75-36=