(每题五分)
香港珠心算专业教育协会
一、乘珠算 |
答 |
审核 |
1 |
230 × 5,759 = |
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2 |
57 × 50,979 = |
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3 |
3,548 × 785 = |
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4 |
693 × 6,386 = |
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5 |
2,808 × 313 = |
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6 |
768 × 3,929 = |
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7 |
3,431 × 226 = |
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8 |
545 × 4,180 = |
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9 |
7,501 × 393 = |
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10 |
575 × 6,085 = |
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11 |
6,278 × 174 = |
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12 |
598 × 5,590 = |
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13 |
8,169 × 985 = |
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14 |
949 × 4,781 = |
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15 |
5,670 × 777 = |
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16 |
524 × 6,861 = |
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17 |
3,531 × 993 = |
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18 |
195 × 5,969 = |
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19 |
7,788 × 777 = |
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20 |
235 × 9,485 = |
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