Add spaces: SwedishContributiontotheEUbudgetas%ofitsGNI:0.87%

Answer: Swedish Contribution to the EU budget as % of its GNI: 0.87%

Add spaces: Iappreciateanyhelp.Thanks.

Answer: I appreciate any help. Thanks.

Add spaces: HebeganbylearningthedifferentialandintegralcalculusfromtheworksofEulerandLagrange.

Answer:
He began by learning the differential and integral calculus from the works of Euler and Lagrange .