《一年级图形算式》PPT课件
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一年级图形算式图形算式一、每种水果都表示一个数,你能知道这个数是几吗?6 + 15 = 2112 - 8 = 412 + 35 = 4725 - 11 = 14二、每个图形代表一个数,你能算出这个数是多少吗?1 = 7,△ = 6,o = 112,12 - △ = 6,☆ = 4,△ = 64 = 11,o + △ = 16,△ = 15,o = 124,24 - △ = 6,☆ = 15,△ = 185 + o = 12,△ + o = 10,o = 7,△ = 3o - ☆ = 5,12 - ☆ = 8,o = 9,☆ = 35 + o = 12,△ + o = 10,o = 2,△ = 818,△ = 9口 + 口 + △ + △ = 14,☆ + o = 13,o = 7,△ + 口 = 5,☆ = 6,△ = 2,口 = 2三、每个图形代表一个数,你能算出这个数是多少吗?9,○ - △ = 1,3△ = 18,△ = 6,□ = 3,○ = 712,○ + ☆ = 8,△ + ○ + ☆ = 21,△ = 6,○ = 4,☆ = 11 你 + 我 = 7,你 + 他 = 18,你 + 我 + 他 = 24,你 = 2,我= 5,他 = 1710,□ + △ = 12,○ + □ + △ = 15,○ = 2,□ = 8,△ = 59,3△ + 3○ = 25,△ = 2,○ = 3四、每个图形代表一个数,你能算出这个数是多少吗?4△ = 28,△ = 7,2△ + □ = 20,□ = 63○ = 6,○ = 2,3△ = 12,△ = 41,△ + △ - ○ = 9,△ = 4,○ = 3,□ + ○ - △ = 10,□ = 7二、下图中每种水果各代表一个数,算一算,它们各代表几?草莓 + 香蕉 + 菠萝 + 葡萄 = 7 + 3 + 4 + 6 = 20已知:☆ + ☆ + ☆ = 6,△ + △ + △ + △ = 20,则△ - ☆= (2)已知:△ + ○ = 14,△ - ○ = 2,则△ = (8),○ = (6)已知:▲ = ● + ● + ●,▲ + ● = 12,则● = (2),▲ = (6)已知:△ + ○ = 5,○ + ☆ = 9,△ + ○ + ☆ = 13,则△ = (1),○ = (2),☆ = (10)710A获得了()奖,B获得了()奖,C获得了()奖。