脱式计算.2220-36×42÷27[(112+223)÷212-56]×445(25%+38)×(37÷37÷58)-数学
题文
脱式计算.
|
答案
(1)2220-36×42÷27, =2220-1512÷27, =2220-56, =2164; (2)[(1
=[
=[
=
=4; (3)(25%+
=
|
题文
脱式计算.
|
答案
(1)2220-36×42÷27, =2220-1512÷27, =2220-56, =2164; (2)[(1
=[
=[
=
=4; (3)(25%+
=
|