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0.25X2.33X8用简便方法计算

0.25x2.33x8 =(0.25x8)x2.33 = 4x2.33 =9.32

0.5×2.33x8 =0.5×8×2.33 =4×2.33 =9.32

0.5*2.33*8=(0.5*8)*2.33=4*2.33=9.32

25%

0点5X2点33x8=0点5x8X2点33=4X2点33=9.32

0.5*2.33*8 =0.5*8*(2+0.3+0.03) =4(2+0.3+0.03) =8+1.2+0.12 =9.32

22x34 +33x8 +66x18怎么简便运算 22x34 +33x8 +66x18 =11x2x34+11x3x8+11x6x18 =11x68+11x24+11x108 =11x(68+24+108) =11x200 =2200

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