かっこのある計算(分数)8(6問)
計算せよ。
3(23x+1)+2(52x-2)
解答○ ×4(34x-16)-6(56x+29)
解答○ ×-10(415a-34b)+12(718a-524b)
解答○ ×-2(56x-1)-4(29x+58)
解答○ ×12(49x-38y)-14(821x-18y)
解答○ ×-3(76a+49)-4(23a-18)
解答○ ×問題と解答
3(23x+1)+2(52x-2)7x-1 4(34x-16)-6(56x+29)-2x-2 -10(415a-34b)+12(718a-524b)2a+5b -2(56x-1)-4(29x+58)-239x-12 12(49x-38y)-14(821x-18y)-114y -3(76a+49)-4(23a-18)-376a-56
