
脱式计算.3834÷18+20×36 12×[(212-20)÷32] 65+(850-162)÷43 (475-75×2)÷25 612÷
脱式计算.3834÷18+20×3612×[(212-20)÷32]65+(850-162)÷43(475-75×2)÷25612÷(5040÷72)-3656×[36-...
脱式计算.3834÷18+20×36 12×[(212-20)÷32] 65+(850-162)÷43 (475-75×2)÷25 612÷(5040÷72)-36 56×[36-(82-68)].
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(1)3834÷18+20×36 =213+720 =933; (2)12×[(212-20)÷32] =12×[192÷32] =12×6 =72; (3)65+(850-162)÷43 =65+688÷43 =65+16 =81; (4)(475-75×2)÷25 =(475-150)÷25 =325÷25 =13; (5)612÷(5040÷72)-36 =612÷70-36 =8
=-27
(6)56×[36-(82-68)] =56×[36-14] =56×22 =1232. |
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