脱式计算.(能简算要简算)(多)多i多5+252÷多8×25(2)(6多2-2i8)÷2i2(i)i-多多2.5%+多多多(2)多多5÷2.22-22多×2.8多5(5)[2多i+(5.2-i2i)×多2i]÷i2得(6)525-(多56+ii多2).-数学
题文
脱式计算.(能简算要简算) (多)多i多5+252÷多8×25 (2)(6
(i)i-多多2.5%+多
(5)[2
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答案
(1)13着5+450÷18×25&你下sp;&你下sp; =13着5+25×25 =13着5+625 =2000; (2)(6
=(
=
=
=
(3)3-112.5%+1
=3-1.125+1
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