[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5] ﹙﹣2.3﹚×﹙+3.85﹚+﹙﹣4.3﹚×﹙3.85﹚+8×77/20(要过
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[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5]﹙﹣2.3﹚×﹙+3.85﹚+﹙﹣4.3﹚×﹙3.85﹚+8×77/20(要过[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5]﹙
[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5] ﹙﹣2.3﹚×﹙+3.85﹚+﹙﹣4.3﹚×﹙3.85﹚+8×77/20(要过
[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5] ﹙﹣2.3﹚×﹙+3.85﹚+﹙﹣4.3﹚×﹙3.85﹚+8×77/20(要过
[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5] ﹙﹣2.3﹚×﹙+3.85﹚+﹙﹣4.3﹚×﹙3.85﹚+8×77/20(要过
[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5]
=[﹙﹣21/2﹚×4/19]÷[﹙-4/3﹚×6/5]
=[﹣42/19]÷[-8/5]
=(-42/19)×(-5/8)
=210/152
﹙﹣2.3﹚×﹙+3.85﹚+﹙﹣4.3﹚×﹙3.85﹚+8×77/20
=﹣2.3×3.85﹣4.3×3.85+8×3.85
=(﹣2.3﹣4.3+8)×3.85
=1.4×3.85
=0.7*7.7
=5.39
[﹙﹣3﹚平方-2的平方-﹙﹣5﹚的平方×﹙5/6÷4/9﹚×﹙﹣2﹚4次方=
[﹙﹣3﹚平方-2的平方-﹙﹣5﹚的平方]×﹙5/6÷4/9﹚×﹙﹣2﹚平方=
⑴20÷﹙﹣4﹚×5﹢5×﹙﹣3﹚÷15﹣7;⑵63×﹙﹣1又4/9﹚﹢﹙﹣1/6﹚÷﹙﹣1/60﹚;⑶﹙﹣1/4﹚÷0.1﹣﹙﹣2/3﹚÷3/4;⑷﹣5/6÷﹙﹣3又1/6﹚÷[1/24×﹙﹣1又1/4﹚]﹣0.25÷1/4;⑸﹣3﹣[﹣5﹢﹙1﹣0.2÷
﹣81÷2又4分之1-﹙﹣4分之9﹚÷﹙﹣16﹚
[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5] ﹙﹣2.3﹚×﹙+3.85﹚+﹙﹣4.3﹚×﹙3.85﹚+8×77/20(要过
63×﹙﹣1又4/9﹚﹢﹙﹣1/6﹚÷﹙﹣1/60﹚;
16÷﹙﹣2﹚的立方-﹙﹣8分之1﹚×﹙﹣4﹚
﹙﹣5﹚平方×﹙﹣3/5﹚+32÷﹙﹣2﹚立方×﹙﹣1又4分之1﹚=
18-6÷﹙﹣2﹚×﹙﹣3分之1﹚
18-6÷﹙﹣2﹚×﹙﹣3分之1﹚
求23÷[﹙﹣2﹚²-﹙﹣4﹚]+3/4和3.75+1/2-﹙﹢4﹚+﹙﹣1/2﹚+﹙﹣6﹚要过程
计算①﹣4²×5/8-﹙﹣5﹚÷2³×﹙﹣4﹚³ ②18+32÷﹙﹣2﹚³-﹙﹣4﹚²×5 ③﹙﹣3﹚²-1/5×5/9+﹙﹣2﹚³×3
1500÷(1+20%)+1500÷(1-10%)要过程﹙﹣4/9﹚÷﹙﹣16﹚×﹙﹣8﹚÷﹙2又1/9﹚
﹣2分之5+5分之8÷﹙﹣2﹚×﹙﹣4分之5﹚
﹙﹣4+2²﹚÷﹙167/173-278/279+15/4﹚+﹙﹣1﹚
﹣2^2+﹙﹣2﹚^2-[﹙﹣5﹚^4×﹙-2/5﹚-2]÷﹙﹣6﹚^3怎么做
﹣﹙﹣1﹚的4次方-﹙1-2分之1﹚÷﹙3﹚×[2-﹙﹣3﹚的平方]
计算题 各位英雄帮个忙!一﹣5/6÷﹙﹣19/6﹚÷[1/24×﹙﹣5/4﹚]-0.25÷1/4 二﹣3-[﹣5+﹙1-0.2÷3/5﹚÷﹙﹣2﹚] 三﹛8/3-[﹙1.5×8/3﹚÷1/6-8/7]﹜÷8/3