8.6*2/3+8.6/3 (8.6*三分二)2.74/5/14+7.26*2.8 (2.74/十四分之五)9999*7778+3333*66665.6*69.32+138.64*0.05+693.2*0.43
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8.6*2/3+8.6/3 (8.6*三分二)2.74/5/14+7.26*2.8 (2.74/十四分之五)9999*7778+3333*66665.6*69.32+138.64*0.05+693.2*0.43
8.6*2/3+8.6/3 (8.6*三分二)
2.74/5/14+7.26*2.8 (2.74/十四分之五)
9999*7778+3333*6666
5.6*69.32+138.64*0.05+693.2*0.43
8.6*2/3+8.6/3 (8.6*三分二)2.74/5/14+7.26*2.8 (2.74/十四分之五)9999*7778+3333*66665.6*69.32+138.64*0.05+693.2*0.43
1.=8.6*2/3+8.6*1/3
=8.6*(2/3+1/3)
=8.6*1=8.6
2.=2.74*二又五分之四+7.26*二又五分之四
=二又五分之四*(2.74+7.26)
=二又五分之四*10
=28
3.=9999*7778+(3333*3)*(6666/3)
=9999*7778+9999*2222
=9999*(7778+2222)
=9999*10000
=99990000
4.=5.6*69.32+6.932+69.32*4.3
=5.6*69.32+69.32*0.1+69.32*4.3
=69.32*(5.6+0.1+4.3)
=69.32*10
=693.2
1. =8.6*(2+1)/3=8.6*3/3=8.6
2. =2.74*(14/5)+7.26*2.8=2.74*2.8+7.26*2.8=(2.74+7.26)*2.8=10*2.8=28
3. =9*1111*7778+9*1111*2222=9*1111*(7778+2222)=9999*10000=99990000
4. =5.6*69.32+69.36*0.1+69.32*4.3=(5.6+0.1+4.3)*69.32=10*69.32=693.2