(1.5-0.6)*(3-1.6)的简便计算)?
2个回答
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(1.5-0.6)×(3-1.6)
=0.9×1.4
=1×1.4-0.1×1.4
=1.4-0.14
=1.26
=0.9×1.4
=1×1.4-0.1×1.4
=1.4-0.14
=1.26
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(1.5-0.6)x(3-1.6)的简便计算方法:
(1.5-0.6)x(3-1.6)
=0.9x1.4
=(1-0.1)x1.4
=1x1.4-0.1x1.4
=1.4-0.14
=1.26
(1.5-0.6)x(3-1.6)
=0.9x1.4
=(1-0.1)x1.4
=1x1.4-0.1x1.4
=1.4-0.14
=1.26
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