发布人:繁体字网(www.fantiz5.com) 发布时间:2015-10-24 07:30:00
试题原文 |
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(1)0.85×101, =0.85×(100+1), =0.85×100+0.85×1, =85+0.85, =85.85; (2)5.29÷2.3-0.1×01, =2.3-0.01, =2.29; (3)0.28÷35, =0.28÷7÷5, =0.04÷5, =0.008; (4)8-4.68÷4.5×(0.25+0.5). =8-4.68÷4.5×0.75, =8-1.04×0.75, =8-0.78, =7.22; (5)2.5×1.25×32, =(2.5×4)×(1.25×8), =10×10, =100; (6)25.7×3.29+6.71×25.7, =25.7×(3.29+6.71), =25.7×10, =257. |
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