1解:(500-440)÷440×100%=13.6%
∴实际比原计划多植树13.6%
2(1)解:(2492-2251)÷2251×100%=10.7%
∴出口总额比进口总额多10.7
(2)(2492-2251)÷2492×100%=9.7%
∴进口总额比出口总额少9.7%
1、(500-440)÷440约等于13.6%
2、(1)(2492-2251)÷2251约等于10.7%
(2)(2492-2251)÷2492约等于9.7%
1、(500-440)÷440x100%
=60÷440x100%
≈13.6%
2、
(1) 、 (2492-2251)÷2251x100%
=241÷2251x100%
≈10.7%
(2) 、 (2492-2251)÷2492x100%
=241÷2492x100%
≈9.7%
1.(500-440)/440≈13.6%
2
(1)(2492-2251)/2251≈10.7%
(2)(2492-2251)/2492≈9.7%
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