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a) b) 6,24:0,4+7,65-20-1000 0,01-5²=
To solve this expression, we can break it down step by step:
Step 1: Calculate the division 6,24:0,4
6,24 ÷ 0,4 = 15,6
Step 2: Calculate the subtraction 15,6 + 7,65
15,6 + 7,65 = 23,25
Step 3: Calculate the next subtraction 23,25 - 20
23,25 - 20 = 3,25
Step 4: Calculate the final subtraction 3,25 - 1000
3,25 - 1000 = -996,75
Step 5: Calculate the exponentiation 5²
5² = 5 * 5 = 25
Step 6: Calculate the subtraction 0,01 - 25
0,01 - 25 = -24,99
So, the final result is -996,75 - 24,99 = -1021,74
To solve this expression, we can break it down step by step:
Step 1: Calculate the division 6,24:0,4
6,24 ÷ 0,4 = 15,6
Step 2: Calculate the subtraction 15,6 + 7,65
15,6 + 7,65 = 23,25
Step 3: Calculate the next subtraction 23,25 - 20
23,25 - 20 = 3,25
Step 4: Calculate the final subtraction 3,25 - 1000
3,25 - 1000 = -996,75
Step 5: Calculate the exponentiation 5²
5² = 5 * 5 = 25
Step 6: Calculate the subtraction 0,01 - 25
0,01 - 25 = -24,99
So, the final result is -996,75 - 24,99 = -1021,74
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