5678-{87÷[24×(2÷0.482)+5.7]-11}=?

问题描述:

5678-{87÷[24×(2÷0.482)+5.7]-11}=?

5678-{87÷[24×(2÷0.482)+5.7]-11}
=5678-{87÷[24×2000/482+5.7]-11}
=5678-{87÷[99.585+5.7]-11}
=5678-{87÷105.285-11}
=5678-{0.826-11}
=5678-{0.826-11}
=5678-{-10.174}
=5667.826

5689-(209670/253737)
约等于5688.174

5678-{87÷[24×(2÷0.482)+5.7]-11}
=5678+11-87÷[24×(2÷0.482)+5.7]
=5689-87÷[48÷0.482+5.7]
≈5689-87÷(99.5851+5.7)
≈5689-87÷105.29
≈5689-0.826
≈5688.17

5688.1736719513473393759366559029