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0.64×25×25×7点8+2点二脱式计算

第一题:6.27*3.6+37.8*0.36 =62.7×0.36+37.8×0.36

(3.64一5.696/8.9x1.2)x0.05 =(3.64-0.64x1.2)x0.05 =(

问: 35.2+64.8÷0.5x1.2脱式计算 答: 35.2+64.8÷0.5x1.2

(1)300-64×84÷28,=300-5276÷28,=300-192,=108;(2)4-1÷

(1)13÷0.4÷2.5=13÷(0.4×2.5)=13÷1=13(2)64×4.5+36×4.5

64x0.25x0.5x1.25 =4x2x8x0.25x0.5x1.25 =(4x0.25)x

12.5x0.64x2.5 =(12.5x0.8)x(0.4x2.5x2) =10x2 =20

脱式计算. 408-12×24 (46+28)×60 42×50-1715÷5 32+

0.64x99+0.64 =0.64x(99+1) =0.64x100 =64 ------

1.4+0.64÷0.32 =1.4+2 =3.4 你好,本题已解答,如果满意 请点右下角“采纳答案

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