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C E 2 C E 1 100 ; 40 ; 5 ; 5 100 ; 4 ; 2 ; 7 5+5 = 10 10 x100 = 1000 1000 + 40 =1040 2 x 100 = 200 200 + 7= 207 1040207.

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Presentation on theme: "C E 2 C E 1 100 ; 40 ; 5 ; 5 100 ; 4 ; 2 ; 7 5+5 = 10 10 x100 = 1000 1000 + 40 =1040 2 x 100 = 200 200 + 7= 207 1040207."— Presentation transcript:

1 C E 2 C E ; 40 ; 5 ; ; 4 ; 2 ; = x100 = = x 100 = =

2 C E 2 C E ; 100; 320 ; 20 ; 6 ; = x 3 = x 2 = – 6 =

3 C E 2 C E ; 36 ; 512 ; 4 ; = = x 5 = =

4 C E 2 C E – 90 = … 7400 – 100 = 7300 a) 902 b) 7302 c) – 25 = … 90 – 20 = 70 a) 197 b) 12 c) 67

5 C E 2 C E – 295 = … 7400 – 300 = 7100 a) 7907 b) 7097 c) – 25 = … 130 – 20 = 110 a) 107 b) 07 c) 157

6 C E 2 C E – 295 = … 7 – 5 = 2 a) 7101 b) 7106 c) – 25 = … 9 – 5 = 4 a) 75 b) 74 c) 73

7 C E 2 C E = … = 6 a) 7686 b) 7687 c) = … = 9 a) 148 b) 149 c) 150

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