
3.7×1.5+6.3×3.7的简便运算怎么算我在说话的时候不要我?
1个回答
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3.7×1.5+6.3×3.7
=3.7x(1.5+6.3)
=3.7x(10-2-0.2)
=37-6-1.4-0.6-0.14
=37-6-1-0.4-0.6-0.14
=30-1.14
=28.86
=3.7x(1.5+6.3)
=3.7x(10-2-0.2)
=37-6-1.4-0.6-0.14
=37-6-1-0.4-0.6-0.14
=30-1.14
=28.86
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