怎样简便怎样算20.2×8-10.2÷0.1254×27%×2.51425÷(75+1425)(34-34×56)÷3278×9+78[56-(25+13)]×57.-六年级数学
题文
怎样简便怎样算 20.2×8-10.2÷0.125 4×27%×2.5
(
[
|
答案
(1)20.2×8-10.2÷0.125 =161.6-81.6, =80; (2)4×27%×2.5 =4×2.5×27%, =2.7; (3)
=
=
(4)(
=(
=
|
题文
怎样简便怎样算 20.2×8-10.2÷0.125 4×27%×2.5
(
[
|
答案
(1)20.2×8-10.2÷0.125 =161.6-81.6, =80; (2)4×27%×2.5 =4×2.5×27%, =2.7; (3)
=
=
(4)(
=(
=
|