(69.9-4.74-5.16)*6.5

Ivyzhong2112022-10-04 11:39:541条回答

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8自作孽不可活8 共回答了17个问题 | 采纳率82.4%
390
1年前

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(69.9-4.74-5.16)*6.5怎么简便计算
gugu1121年前2
枣椰树ss了 共回答了23个问题 | 采纳率95.7%
(69.9-4.74-5.16)*6.5
=(69.9-(4.74+5.16))*6.5
=(69.9-9.9)*6.5
=60*6.5
=60*6+60*0.5
=360+30
=390
用简便方法计算 (69.9-4.74-5.16)×6.5 [3.5+(15-1.5)]×7.6 13.75-(3.75+
用简便方法计算 (69.9-4.74-5.16)×6.5 [3.5+(15-1.5)]×7.6 13.75-(3.75+6.48) 3.68+7.56-2.68
海天怡帆1年前1
shirley0066 共回答了19个问题 | 采纳率78.9%
(69.9-4.74-5.16)×6.5
=(69.9-9.9)×6.5
=60×6.5
=390
[3.5+(15-1.5)]×7.6
=(3.5+15-1.5)×7.6
=17×7.6
=129.2
13.75-(3.75+6.48)
=13.75-3.75-6.48
=10-6.48
=3.52
3.68+7.56-2.68
=3.68-2.68+7.56
=1+7.56
=8.56