4.7*2.8+2.8*4.3+2.8的简算怎么算

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4.7*2.8+2.8*4.3+2.8的简算怎么算4.7*2.8+2.8*4.3+2.8的简算怎么算4.7*2.8+2.8*4.3+2.8的简算怎么算=2.8×4.7+2.8×4.3+2.8×1=2.

4.7*2.8+2.8*4.3+2.8的简算怎么算
4.7*2.8+2.8*4.3+2.8的简算怎么算

4.7*2.8+2.8*4.3+2.8的简算怎么算
=2.8×4.7+2.8×4.3+2.8×1
=2.8×(4.7+4.3+1)
=2.8×10
=28

4.7*2.8+2.8*4.3+2.8=2.8*(4.7+4.3+1)=2.8*10=28