简算4道题.3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/
来源:学生作业帮 编辑:作业帮 分类:综合作业 时间:2024/11/08 19:41:31
简算4道题.
3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/15﹚×0.9 ﹙5/25+5/25×3﹚×0.25
3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/15﹚×0.9 ﹙5/25+5/25×3﹚×0.25
3.5×5/4+1.25+3/2÷4/5
=3.5×5/4+1.25+1.5×5/4
=5/4×(3.5+1.5)+1.25
=6.25+1.25
=7.5
12.5×﹙36-36/5﹚÷3.6
=12.5×(1-1/5)×36÷3.6
=12.5×4/5×10
=12.5×8
=100
20/3÷﹙22/5-56/15﹚×0.9
=20/3÷[1/5×(22-56/3)]×9/10
=20/3÷[1/5×(66/3-56/3)]×9/10
=20/3÷(1/5×1/3)×9/10
=20/3×15×9/10
=90
﹙5/25+5/25×3﹚×0.25
=(1+3)×5/25×1/4
=4×1/5×1/4
=1/5
=3.5×5/4+1.25+1.5×5/4
=5/4×(3.5+1.5)+1.25
=6.25+1.25
=7.5
12.5×﹙36-36/5﹚÷3.6
=12.5×(1-1/5)×36÷3.6
=12.5×4/5×10
=12.5×8
=100
20/3÷﹙22/5-56/15﹚×0.9
=20/3÷[1/5×(22-56/3)]×9/10
=20/3÷[1/5×(66/3-56/3)]×9/10
=20/3÷(1/5×1/3)×9/10
=20/3×15×9/10
=90
﹙5/25+5/25×3﹚×0.25
=(1+3)×5/25×1/4
=4×1/5×1/4
=1/5
简算4道题.3.5×5/4+1.25+3/2÷4/5 12.5×﹙36-36/5﹚÷3.6 20/3÷﹙22/5-56/
﹙﹣3/4+7/12-5/9﹚÷﹙﹣1/36﹚=
奥数题一道,灌水举报[﹙2×2﹚÷﹙1×3﹚]+[﹙4×4﹚÷﹙3×5﹚]+[﹙6×6﹚÷﹙5×7﹚]+[﹙8×8﹚﹢﹙
﹣2+﹙1-0.2÷5分之3﹚×﹙﹣3﹚
﹣1的5次方-2又3分之1+4又5分之1÷﹙﹣3﹚×﹙﹣21分之5﹚
﹣2+﹙1-0.2×5分之3﹚÷﹙﹣2﹚
15×﹙-5分之2﹚+﹙-4分之3﹚÷-0.25的绝对值
﹙3分之1+2分之1-6分之5-4分之3﹚÷﹙﹣3分之1﹚的平方
简便计算:6÷3/5-3/5÷6 360÷15-2.5×1.4 4/25+4÷﹙3/8-1/8﹚ 3.35×99×2+6
1÷﹙1+8分之5÷5﹚ ﹙2分之1+6分之1﹚×﹙3分之1-4分之1﹚
脱式计算﹙48+22﹚×﹙110-78﹚ ﹙630-270﹚÷45×12 180-640÷16×4 150×﹙5+360
﹙1/4-5/9-1/3+7/12﹚÷﹙﹣1/36﹚