[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5] ﹙﹣2.3﹚×﹙+3.85﹚+﹙﹣4.3﹚×﹙3.85﹚+
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/11/18 01:52:41
[﹙﹣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
=[﹙﹣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
﹙﹣5﹚平方×﹙﹣3/5﹚+32÷﹙﹣2﹚立方×﹙﹣1又4分之1﹚=
﹣2+﹙1-0.2×5分之3﹚÷﹙﹣2﹚
﹣2+﹙1-0.2÷5分之3﹚×﹙﹣3﹚
4×﹙﹣3﹚的平方-5×﹙﹣3﹚+6
1、﹙3分之1+4分之1-6分之1﹚×24 2、﹙-4﹚×﹙﹣5﹚×0.25 3、100×﹙﹣3﹚×﹙﹣5﹚×0.01
42×﹙﹣3分之2﹚+﹙﹣4分之3﹚÷﹙﹣4分之1﹚
﹙﹣3/4+7/12-5/9﹚÷﹙﹣1/36﹚=
计算①﹣4²×5/8-﹙﹣5﹚÷2³×﹙﹣4﹚³ ②18+32÷﹙﹣2﹚³-﹙﹣
﹙﹣0.25﹚的99次方×﹙﹣4﹚的100次方+0.5-3分之2÷﹙﹣3分之1﹚×﹙﹣2﹚的立方
﹣5+(﹣0.2×3/5﹚÷﹙﹣2﹚³-﹙2-5﹚²
﹣1的5次方-2又3分之1+4又5分之1÷﹙﹣3﹚×﹙﹣21分之5﹚
﹣﹙﹣1﹚的4次方-﹙1-2分之1﹚÷﹙3﹚×[2-﹙﹣3﹚的平方]