巧算:(2.68-3.04)-(1.96-7.32)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 14:11:46
巧算:(2.68-3.04)-(1.96-7.32)

巧算:(2.68-3.04)-(1.96-7.32)
巧算:(2.68-3.04)-(1.96-7.32)

巧算:(2.68-3.04)-(1.96-7.32)
原式=2.68-3.04-1.96+7.32
=(2.68+7.32)-(3.04+1.96)
=10-5
=5

534243234621435124=253675246546454-456354675412=748146164736789

原式=2.68-3.04-1.96+7.32
=(2.68+7.32)-(3.04+1.96)
=10-5
=5

(2.68-3.04)-(1.96-7.32)
=2.68-3.04-1.96+7.32
=(2.68+7.32)-(3.04+1.96)
=10-5
=5

=2.68-3.04-1.96+7.32
=2.68+7.32-(3.04+1.96)
=10-5
=5

(2.68-3.04)-(1.96-7.32)
=(2.68+7.32)-(3.04+1.96)
=10-5
=5

2.68+7.32—(3.04+1.96)=10-5=5

打开括号
=2.68-3.04-1.96+7.32
=10-(3.04+1.96)
=10-5
=5