5×9= |
9×9= |
7×7= |
4×4= |
7×5= |
9×6= |
6×7= |
5×4= |
5×2= |
4×6= |
4×3= |
3×6= |
7×9= |
9×5= |
3×5= |
4×2= |
7×8= |
9×4= |
5×5+9= |
8×3+24= |
7×2+9= |
1×4+5= |
2×2+2= |
6×5+5= |
分析:根據(jù)九九乘法口訣即可解答問題.
解答:
解:5×9=45 |
9×9=81 |
7×7=49 |
4×4=16 |
7×5=35 |
9×6=54 |
6×7=42 |
5×4=20 |
5×2=10 |
4×6=24 |
4×3=12 |
3×6=18 |
7×9=63 |
9×5=45 |
3×5=15 |
4×2=8 |
7×8=56 |
9×4=36 |
5×5+9=34 |
8×3+24=48 |
7×2+9=23 |
1×4+5=9 |
2×2+2=6 |
6×5+5=35 |
點(diǎn)評:此題考查學(xué)生的乘法口訣的識(shí)記情況,是需要熟記的內(nèi)容.
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