6.8x16.8+19.3x3.2简便计算

6.8x16.8+19.3x3.2简便计算
2025-02-02 08:31:54
推荐回答(3个)
回答1:


回答2:

6.8×16.8+19.3×3.2
=6.8×16.8+(16.8+2.5)×3.2
=16.8×(6.8+3.2)+2.5×3.2
=16.8×10+2.5×0.4×8
=168+8
=176.

回答3:


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