简算 8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3

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简算8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3简算8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3简算8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.38.1×

简算 8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3
简算 8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3

简算 8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3
8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3
=8.1×1.3+1.9×1.3-8÷1.3+11.9÷1.3
=(8.1+1.9)×1.3+(11.9-8)÷1.3
=10×1.3+3.9÷1.3
=13+3
=16

8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3
=(8.1+1.9)×1.3+(11.9-8)÷1.3
=10×1.3+3.9÷1.3
=13+3=16

你好!
8.1×1.3-8/1.3+1.9×1.3+11.9÷1.3
=1.3×(8.1+1.9)+(-8+11.9)÷1.3
=13+3
=16
【希望可以帮到你】

8.1×1.3-8÷1.3+1.9×1.3+11.9÷1.3
=1.3x(8.1+1.9)+(11.9-8) ÷1.3
=1.3x10+3.9÷1.3
=13+3
=16