3.68乘以2.6+5.2乘以1.32-1.3乘以4 简算急用
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3.68乘以2.6+5.2乘以1.32-1.3乘以4 简算急用
3.68乘以2.6+5.2乘以1.32-1.3乘以4 简算
急用
3.68乘以2.6+5.2乘以1.32-1.3乘以4 简算急用
3.68*2.6+5.2*1.32-1.3*4
=3.68*2.6+2.6*2*1.32-1.3*2*2
=(3.68+2*1.32-2)*2.6
=(5-0.68)*2.6
=(5-0.7+0.02)*2.6
=13-1.82+0.052
=11.232
3.68乘以2.6+5.2乘以1.32-1.3乘以4 简算急用
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