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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 ((7.0+0.24)×(2.9-0.45))-1.1×1.5×2+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-(1.5×2+1×2.9+2.4×2) .
Question type: Mathematical calculation
Solution:
((7.0+0.24)×(2.9-0.45))-1.1×1.5×2+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-(1.5×2+1×2.9+2.4×2)
=(7.24×(2.9-0.45))-1.1×1.5×2+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-(1.5×2+1×2.9+2.4×2)
=(7.24×2.45)-1.1×1.5×2+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-(1.5×2+1×2.9+2.4×2)
=17.738-1.1×1.5×2+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-(1.5×2+1×2.9+2.4×2)
=17.738-1.1×1.5×2+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-10.7
=17.738-1.65×2+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-10.7
=17.738-3.3+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-10.7
=17.738-3.3+25.088-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-10.7
=17.738-3.3+25.088-7.89+15.239+1.52×2.3-1.04+10.24×2.45+0.5×2.45-10.7
=17.738-3.3+25.088-7.89+15.239+3.496-1.04+10.24×2.45+0.5×2.45-10.7
=17.738-3.3+25.088-7.89+15.239+3.496-1.04+25.088+0.5×2.45-10.7
=17.738-3.3+25.088-7.89+15.239+3.496-1.04+25.088+1.225-10.7
=14.438+25.088-7.89+15.239+3.496-1.04+25.088+1.225-10.7
=39.526-7.89+15.239+3.496-1.04+25.088+1.225-10.7
=31.636+15.239+3.496-1.04+25.088+1.225-10.7
=46.875+3.496-1.04+25.088+1.225-10.7
=50.371-1.04+25.088+1.225-10.7
=49.331+25.088+1.225-10.7
=74.419+1.225-10.7
=75.644-10.7
=64.944
Answer:((7.0+0.24)×(2.9-0.45))-1.1×1.5×2+10.24×2.45-7.89+6.22×2.45+1.52×2.3-1.04+10.24×2.45+0.5×2.45-(1.5×2+1×2.9+2.4×2)=64.944