div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document3-ceca-x2-a-2x-a-3-x-2-a-10x-16-x-2-3x-2-4xahtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: 3年数学 教科書解答①x2 — 2x — 3 X 2 — 10x+ 16 x 2 + 3x 2 4x— 12 X 2 — 7X-l- 12 15 a 2 — 15a 56 x2—x— 30 x2 + 02x — 008 15 x2 — 49 a 2 + 20b + b2 x2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentpubreader033viewer20220506055fac44b7978dce24af2dbe15html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document3-ceca-x2-a-2x-a-3-x-2-a-10x-16-x-2-3x-2-4xahtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: 3年数学 教科書解答①x2 — 2x — 3 X 2 — 10x+ 16 x 2 + 3x 2 4x— 12 X 2 — 7X-l- 12 15 a 2 — 15a 56 x2—x— 30 x2 + 02x — 008 15 x2 — 49 a 2 + 20b + b2 x2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentpubreader033viewer20220506055fac44b7978dce24af2dbe15html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document3-ceca-x2-a-2x-a-3-x-2-a-10x-16-x-2-3x-2-4xahtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: 3年数学 教科書解答①x2 — 2x — 3 X 2 — 10x+ 16 x 2 + 3x 2 4x— 12 X 2 — 7X-l- 12 15 a 2 — 15a 56 x2—x— 30 x2 + 02x — 008 15 x2 — 49 a 2 + 20b + b2 x2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentpubreader033viewer20220506055fac44b7978dce24af2dbe15html5thumbnails3jpg width=140 height=200 divdiv