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23.4%0.8.4%7.2=多少,简便计算.急 急急急

23.4-0.8-13.4-7.2 =(23.4-13.4)-(0.8+7.2) =10-8 =2 你好,本题已解答,如果满意,请点右下角“采纳答案”,支持一下。

23.04-0.8-13.4-6.2 =23,04一(0.8+13.4十6.2 ) =23.04一20.4 =2.96

=(23.4-13.4)-(0,.8+7.2) =10-8 =2

23.4-0.8-13.4-7.2 =23.4-13.4-(0.8+7.2) =10-8 =2 谢谢,请采纳

14-7.32-2.68 =14-(7.32+2.68) =14-10 =4 0.8×(4.3×1.25) =0.8×1.25×4.3 =1×4.3 =4.3 1.23+3.4-0.23+6.6 =1.23-0.23+(3.4+6.6) =1+10 =11 28.6×101-28.6 =28.6×(101-1) =28.6×100 =2860 6.032+3.6+1.98 =9.632+1.98 =9.632+2-0.02 =11.632-0.2...

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408-12×24 = 408 - 288 = 120 (46+28)×60 = 74 x 60 = 4440 42×50-17 = 2100- 17 = 2083 32+105÷5 = 32 + 21 = 53 420×(327-238) = 420 x 89 = 37380 (4121+2389)÷7 = 6510 ÷7 = 930 3.416÷(0.016×35) = 3.416 ÷0.56 = 6.1 0.8×[(10...

4.05+37.85 =4+0.05+37+0.85 =(4+37)+(0.05+0.85) =41+0.9 =41.9

望采纳谢谢。(1)2.5*32*0.125 =(2.5*4)*(8*0.125) =10*1 =10 (2)3.5-7+6.5 =3.5+6.5-7 =3 (3)1.2×2.5+0.8×2.5 =2.5(1.2+0.8) =25 (4)8.9×1.25-0.9×1.25 =1.25(8.9-0.9) =10 (5)12.5×7.4×0.8 =12.5×0.8×7.4 =74 (6)6.5×9.5+6.5×0...

23.4-0.8-13.4-7.2 =(23.4-13.4)-(0.8+7.2) =10-8 =2

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