
3.8x3.8 +3.8+ 6.2x3.8的简便运算怎么算?
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3.8x3.8 +3.8+ 6.2x3.8的简便运算怎么算?
3.8×3.8 +3.8+ 6.2×3.8
=3.8×(3.8+6.2)+3.8
=3.8×10+3.8
=38+3.8
=41.8
3.8×3.8 +3.8+ 6.2×3.8
=3.8×(3.8+6.2)+3.8
=3.8×10+3.8
=38+3.8
=41.8
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