(每題五分)
香港珠心算專業教育協會
一、乘珠算 |
答 |
審核 |
1 |
292 × 9,523 = |
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|
2 |
50 × 23,645 = |
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3 |
6,204 × 449 = |
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4 |
526 × 1,285 = |
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5 |
4,889 × 242 = |
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6 |
645 × 6,115 = |
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7 |
2,926 × 939 = |
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8 |
674 × 8,689 = |
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9 |
1,514 × 544 = |
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10 |
509 × 4,828 = |
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11 |
5,442 × 202 = |
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12 |
412 × 3,122 = |
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13 |
1,174 × 919 = |
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14 |
131 × 3,293 = |
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15 |
4,020 × 312 = |
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16 |
156 × 5,833 = |
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17 |
2,647 × 550 = |
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18 |
708 × 7,740 = |
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19 |
8,893 × 235 = |
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20 |
791 × 3,782 = |
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