(2,07 · 4 4/9 - 7,75) · 80 : 23,2 = 5
1) 2,07 · 4 4/9 = 207/100 · 40/9 = (23·2)/(5·1) = 46/5 = 9 1/5 = 9 2/10 = 9,2
2) 9,2 - 7,75 = 1,45
3) 1,45 · 80 = 116
4) 116 : 23,2 = 5
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(2,07 · 4 4/9 - 7,75) · 80 : 23,2 = 5
1) 2,07 · 4 4/9 = 207/100 · 40/9 = (23·2)/(5·1) = 46/5 = 9 1/5 = 9 2/10 = 9,2
2) 9,2 - 7,75 = 1,45
3) 1,45 · 80 = 116
4) 116 : 23,2 = 5