(每題五分)
名數求至分位,以下四捨五入,無名數求至小數第五位,以下四捨五入.
| 一、乘珠算 |
答 |
審核 |
| 1 |
$78,352.22 × 3,770 =$ |
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| 2 |
$6,290.60 × 51,420 =$ |
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| 3 |
$98,240.58 × 2,823 =$ |
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| 4 |
$6,312.71 × 0.12523 =$ |
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| 5 |
$7,165.72 × 0.73791 =$ |
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| 6 |
832,291 × 98,199 = |
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| 7 |
0.34806 × 5.57927 = |
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| 8 |
705,126 × 51,765 = |
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| 9 |
86,445 × 522,914 = |
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| 10 |
0.184836 × 0.50286 = |
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| 11 |
$1,293.25 × 3.6684 =$ |
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| 12 |
$716.16 × 787,120 =$ |
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| 13 |
$985.67 × 393,760 =$ |
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| 14 |
$5,053.66 × 86,607 =$ |
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| 15 |
$6,766.29 × 0.58659 =$ |
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| 16 |
701,449 × 89,919 = |
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| 17 |
316.4357 × 73.29 = |
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| 18 |
0.675624 × 29.766 = |
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| 19 |
3,847,195 × 7,023 = |
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| 20 |
626,338 × 0.79423 = |
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