問題
次の$\square$に当てはまる数を求めなさい.
解説
- (1) $2025 \div 25 \div 9 = \square$
- (2) $158 \times 3.14 + 3.14 \times 4.2 = \square$
- (3) $\dfrac{2}{3} \times 4\dfrac{5}{6} – \dfrac{8}{9} = \square$
- (4) $0.2 – \bigg( \dfrac{1}{15} + \dfrac{5}{6} \bigg) \times \dfrac{2}{27} = \square$
- (5) $\bigg( 0.25 + \dfrac{2}{5} \bigg) \times \square – 5.5 = 1$
