(1-0.2)*(3-2.68+1.2*0.12怎样简便

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/28 00:08:27
(1-0.2)*(3-2.68+1.2*0.12怎样简便(1-0.2)*(3-2.68+1.2*0.12怎样简便(1-0.2)*(3-2.68+1.2*0.12怎样简便=0.8X(0.32+1.2*0

(1-0.2)*(3-2.68+1.2*0.12怎样简便
(1-0.2)*(3-2.68+1.2*0.12怎样简便

(1-0.2)*(3-2.68+1.2*0.12怎样简便
=0.8X(0.32+1.2*0.12)
=0.8*(0.32+0.144)
=0.8*0.464
=0.3712

1. 204×35-634 2. 3.6-3.6÷0.9×0.8 3. 4. 5. 六、 文字(4分之3+6分之1-12分之5)*18 4又5分之4-15分之7*5分之3除以45

(1-0.2)*(3-2.68+1.2*0.12=0.8X(0.32+1.2×0.12)
=0.8×(0.32+0.144)
=0.8×0.464
=0.3712