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简便计算法 (1) 2.5减2.5乘0.6 (2) 9.34乘15减8乘9...

3.7+9.34-3.36÷0.6 =3.7+9.3+0.04-5.6 =13+0.04-(6-0.4) =13.04-6+0.4 =7.04+0.4 =7.44 谢谢,请采纳

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