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Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
It supports mathematical functions (including trigonometric functions).
Current location：Mathematical operation > History of Mathematical Computation > Answer
Overview: 1 questions will be solved this time.Among them
☆1 arithmetic calculations
[1/1 Formula]
Work: Calculate the value of equation 9×0.30+7×0.25+8×0.30+7×0.15 .
Question type: Mathematical calculation
Solution:
9×0.30+7×0.25+8×0.30+7×0.15
=2.7+7×0.25+8×0.3+7×0.15
=2.7+1.75+8×0.3+7×0.15
=2.7+1.75+2.4+7×0.15
=2.7+1.75+2.4+1.05
=4.45+2.4+1.05
=6.85+1.05
=7.9
Answer:9×0.30+7×0.25+8×0.30+7×0.15=7.9