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嗯1.25乘以四点二除以括号零点七除以八括号

解: 1.25x4.2÷(0.7÷8)=5.25÷0.0875=60

3.12×(0.9+0.7÷0.1) =3.12×7.6 =3.12×(8-0.4) =24.96-...

括号内四点2+4点二除二点一括号外除零点二怎么简便运 括号内四点2+4点二除二点一括号外除零点二 ...

(7.2×2.4-9.48)÷0.25 =(17.28-9.48)÷0.25 =7.8×4 =...

【(1.8-0.6)/()+2.5】*0.4=3.4

原式=47\20 :[19\4 - 9\2X8\15] 47 ...

括号x-0点八括号乘与一点2=0点二四 1.2(x-0.8)=0.24 x-0.8=0.2 x...

7.2÷(6.7+0.8)×6 =7.2÷7.5×6 =24/25×6 =5.76

是5.8x(3.87-0.13)+4.2x3.741吗? 先算括号内3.87-0.13=3.74 ...

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