摘要:=14 +8=12 =13 +9=16 =15
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(1) |
20 ×3= |
11 ×3= |
4000 ×2= |
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230 ×3= |
101 ×5= |
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(2) |
700 ×3= |
1200 ×6= |
60 ×9= |
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4500 ×0= |
210 ×4= |
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(3) |
90 ×9= |
400 ×5= |
1000 ×7= |
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800 ×6= |
110 ×8= |
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(4) |
24 ×2= |
1700 ×5= |
900 ×3= |