奥数速算与巧算一、6.25X1.25X6.4二、0.1+0.3+···+0.9+0.11+0.13+0.15+···+0.97+0.99三、199.9X19.98-199.8X19.97四、23.75X3.987+6.013X92.07+6.832X39.87五、(1+0.12+0.23)X(0.12+0.23+0.34)-(1+0.12+0.23+0.34)X(0.12+0.23)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 10:31:59
xUnF,c$ ;m?0ڍ2ȒcYNU!'뇼hͧC+Bϝ!e@W9;ln0^4j_j[.3Ƞev<ęQ*>? AaQ,xyF 2e}i{ài1ω,y%qÊq}ˌ,xa[hLat0`)pѯ|j
u1ԁ"a%Y^^)885)] Nնʳ-YtݲlE^1@?i-O0_Mnmg3
ʘeڑÂfyg#%ˁiEQ'UŰD4|
r#b0+ QBCN71=;9L{WuItq\4Xě=,q%?6r+[Kjٳ3zi-$PuE9T%8sJD
\âthvG}@쐼d;m}H2GE}:,"?Nzٌ;oO!E'b@,>jώlGo.Gy;0;x mTJAX*mPш#QZ!n_-2U}U(uENpr@^t(ʙh|H;gW5
7mQ
*=;(*