[2.25+(335-1.21×511)]÷40%112+216+3112+4120+…+101110(5.4×113+635÷0.75)×125.5(1+23+34+45)×(23+34+45+56)-(1+23+34+45+56)×(23+34+45)-数学
题文
[2.25+(3
1
(5.4×1
(1+
|
答案
(1)[2.25+(3
=[2.25+(3.6-0.55)]÷0.4, =[2.25+3.05]÷0.4, =5.3÷0.4, =13.25; (2)1
|
题文
[2.25+(3
1
(5.4×1
(1+
|
答案
(1)[2.25+(3
=[2.25+(3.6-0.55)]÷0.4, =[2.25+3.05]÷0.4, =5.3÷0.4, =13.25; (2)1
|