(-106.4)x50+(-53.02)x(-69.3)+(-130.7)x(-53.2)=?

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(-106.4)x50+(-53.02)x(-69.3)+(-130.7)x(-53.2)=?

(-106.4)x50+(-53.02)x(-69.3)+(-130.7)x(-53.2)=?
(-106.4)x50+(-53.02)x(-69.3)+(-130.7)x(-53.2)=?

(-106.4)x50+(-53.02)x(-69.3)+(-130.7)x(-53.2)=?
我怀疑你的题目里53.2应该是53.02

你好!其实你自己可以用计算机算下嘛!加油!
答案是:(-106.4)*50+(-53.02)*(-69.3)+(-130.7)*(-53.2) = 5 307.526
过程:
(-106.4)*50 = -5 320
(-53.02)*(-69.3) = 3 674.286
(-130.7)*(-53.2) = 6 953.24
-5 320+3 674.286+6 953.24=5 307.526

3871.126