©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の計算をしなさい [0AA-10]
| (1) | | | | | | | | | | | | | | | | | | | | | −0.1 | × | ( | 0.7 | x | ＋ | 0.2 | ) | − | 0.8 | × | ( | 0.9 | x | − | 0.3 | ) | | | | | | | | | | | | | | | | | | | | |
|
| (2) | | | | | | | | | | | | | | | | | | | | | −0.6 | × | ( | 0.2 | a | ＋ | 0.4 | ) | ＋ | 0.4 | × | ( | −0.6 | a | ＋ | 0.7 | ) | | | | | | | | | | | | | | | | | | | | |
|
| (3) | | | | | | | | | | | | | | | | | | | | | −0.9 | × | ( | 0.6 | a | ＋ | 0.4 | ) | − | 0.7 | × | ( | −0.6 | a | ＋ | 0.7 | ) | | | | | | | | | | | | | | | | | | | | |
|
| (4) | | | | | | | | | | | | | | | | | | | | | 0.8 | × | ( | 0.8 | a | − | 0.2 | ) | − | 0.4 | × | ( | 0.1 | a | ＋ | 0.1 | ) | | | | | | | | | | | | | | | | | | | | |
|
| (5) | | | | | | | | | | | | | | | | | | | | | −0.2 | × | ( | 0.5 | x | − | 0.8 | ) | − | 0.4 | × | ( | 0.3 | x | − | 0.3 | ) | | | | | | | | | | | | | | | | | | | | |
|