(12)多数の積と累乗 (解答) | 学習日 月 日( ) | |||
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1 | (−2)×(−3)×(−4) =−(2×3×4)=−24 |
2 | 52 =5×5= +25 |
3 | (−2)×(+3)×(−4) =+(2×3×4)=+24 |
4 | 82 =8×8= +64 |
5 | (−4)×(+7)×(−1) =+(4×7×1)=+28 |
6 | (−7)2 =(−7)×(−7)=+49 |
7 | (−3)×(+5)×(−2) =+(3×5×2)=+30 |
8 | (−10)2 =(−10)×(−10)=+100 |
9 | (+3)×(−3)×(−4) =+(3×3×4)=+36 |
10 | (−2)4=(−2)×(−2)×(−2)×(−2)=+16 |
11 | (+3)×(+2)×(−7) =−(3×2×7)=−42 |
12 | −24 =−(2×2×2×2)=−16 |
13 | (−4)×(−9)×(−1) =−(4×9×1)=−36 |
14 | (−1)6 =(−1)×(−1)×…×(−1)=+1 |
15 | (−3)×6×(−2) =+(3×6×2)=+36 |
16 | (0.8)2 = 0.8×0.8=+0.64 |
17 | (−2)×(−3)×(+2)×(−4) =−(2×3×2×4)= −48 |
18 | (−)3=(−)×(−)×(−)=− |
19 | (−4)×(+7)×0×(−2) = 0 |
20 | (−2)4−42 =16−16= 0 |
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