✨ Best Answer ✨
⑴8/20=2/5
⑵30×2/5=12
⑶四角形オキクエ 12+8+12+8=40
四角形アイウエ 20+30+20+30=100
40/100=2/5
✨ Best Answer ✨
⑴8/20=2/5
⑵30×2/5=12
⑶四角形オキクエ 12+8+12+8=40
四角形アイウエ 20+30+20+30=100
40/100=2/5
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