Tucker Marshall
07/25/2023 · Primary School
1.96 Найдите значение выражения: а) \( 2,34: 0,39 \cdot(10,7-2,3):((8,9-5,7) \cdot(2,11+1,04)) \); б) \( (9,9-5,52: 0,69+8,1) \cdot((5-0,125):(3,7+0,05)) \).
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Step-by-step Solution
Calculate or simplify the expression \( 2.34:0.39*(10.7-2.3):((8.9-5.7)*(2.11+1.04)) \).
Calculate the value by following steps:
- step0: Calculate:
\(2.34\div 0.39\left(10.7-2.3\right)\div \left(\left(8.9-5.7\right)\left(2.11+1.04\right)\right)\)
- step1: Subtract the numbers:
\(2.34\div 0.39\times 8.4\div \left(\left(8.9-5.7\right)\left(2.11+1.04\right)\right)\)
- step2: Subtract the numbers:
\(2.34\div 0.39\times 8.4\div \left(3.2\left(2.11+1.04\right)\right)\)
- step3: Add the numbers:
\(2.34\div 0.39\times 8.4\div \left(3.2\times 3.15\right)\)
- step4: Multiply the numbers:
\(2.34\div 0.39\times 8.4\div 10.08\)
- step5: Divide:
\(6\times 8.4\div 10.08\)
- step6: Multiply the numbers:
\(50.4\div 10.08\)
- step7: Divide:
\(5\)
Calculate or simplify the expression \( (9.9-5.52:0.69+8.1)*(5-0.125):(3.7+0.05) \).
Calculate the value by following steps:
- step0: Calculate:
\(\left(9.9-5.52\div 0.69+8.1\right)\left(5-0.125\right)\div \left(3.7+0.05\right)\)
- step1: Divide:
\(\left(9.9-8+8.1\right)\left(5-0.125\right)\div \left(3.7+0.05\right)\)
- step2: Calculate:
\(10\left(5-0.125\right)\div \left(3.7+0.05\right)\)
- step3: Subtract the numbers:
\(10\times 4.875\div \left(3.7+0.05\right)\)
- step4: Add the numbers:
\(10\times 4.875\div 3.75\)
- step5: Multiply the numbers:
\(48.75\div 3.75\)
- step6: Divide:
\(13\)
а) Значение выражения \( 2.34:0.39 \cdot (10.7-2.3):((8.9-5.7) \cdot (2.11+1.04)) \) равно 5.
б) Значение выражения \( (9.9-5.52:0.69+8.1) \cdot ((5-0.125):(3.7+0.05)) \) равно 13.
Quick Answer
а) \( 2.34:0.39 \cdot (10.7-2.3):((8.9-5.7) \cdot (2.11+1.04)) = 5 \)
б) \( (9.9-5.52:0.69+8.1) \cdot ((5-0.125):(3.7+0.05)) = 13 \)
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