愛媛

大問１１ \( (-2) \times 5 \)２　\( \dfrac{3}{4}-(-\dfrac{1}{5}) \)３　\( 20a^2b \div (-2a) \div (-b) \)４　\( (2-\sqrt{3})(2+\sqrt...

大問１（１）　\( -3+8 \)（２）　\( \left(-\dfrac{9}{2} \right) \div \left(-\dfrac{3}{4} \right) \)（３）　\( (-3a)^2 \times 2a \)（４）　\(...

大問１１　\( 3-(-4) \)２　\( 4(x-2y)+3(x+3y-1) \)３　\( \dfrac{15}{8}x^2y \div \left( -\dfrac{5}{6}x \right) \)４　\( (\sqrt{6}-2)(...