Mathematics
Senior High
2段目の式から三段目の(3＋2－1)、、、になるのがよく分からないので教えてください
(3) 54+/16一2 =ニ(33x2)3十(23x2)き2は
ー3X23十2X2一2
ー(3十2一1)・23=472 條
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
![[2]や[3]の式にある3Ｃ1、4Ｃ2は、どういう意味ですか？ - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1810219/thumb_l_webp_D0A829CB-FB1A-400B-92B2-C1EA65030ED5.webp?Expires=1787500832&Signature=c~FBQTBopRp1Y277bGj-lyxwKPoXoL2xgGNqqknTfTfy2Dz33IjZztVK4y4mQaUwFfTXDiBv4qEq6-2jjoZYfmesYEU56AGt0KCaDV3oYs-nWdRorVm7pshpoF99EDFxJJeGJkdNen~OQg1LuilqaIiEfi~1Yaryj8pZBKkSymAkf7rC5M~--G~b-UZvHg3mAXquRFafon3b~FUIUn7~Ee3afnNilsdcdtFakYs4-UZrhkqLO-3vbBFGNxH6mlbWfZrl6pmGZJCRSHHMMcH2dP9Np8A7RLOnhDQ8DrV5IM1qqHptc0YyTIy0AYb9qza6fxN-z1r~mZIaOd8Oprs07A__&Key-Pair-Id=K2W722D70GJS8W&Expires=1787500832&Signature=MrNxOdIpUDNXsQ7od10z26pKm117S5PxXw5XFhBaq16cy64Ljb5nu0pVQAxk7lilH6zVP3C5uJMy~C2B1RepFngsYLhzRoEjH5h06CIRow~H4syxxjkePvV3ZxhwFRw7JszR9MTkBASeOrm7GY64lHDDbhYh4BwsaOKNCW~jfLNiFPJFryyObTyZy1mRN1TNy3fTXUNe4-Mn6ZF82cvIHI6JoERmp~XsyeeTX-~GecSO5Ssvd9kxD9jcBY19WawN90Xzk~~NDLFw6zxvUVX0XD61Sq3E6VgU8fSBy3vJ2F~202PQp06T9fi7j5CXrw8Efv5vEedA6oN4XQ9IFM-k6A__&Key-Pair-Id=K2W722D70GJS8W)
わかりました！ありがとうございます！