9·32×0·57+0·73+×15·7-0·662×5·7怎样简便?

9·32×0·57+0·73+×15·7-0·662×5·7怎样简便? 18·76×9·9＋18·76 0·25×16·2×0·4 4·8×9·9 7·09×10·8 －0.8×7.09 4.8×100.1 4.2 ÷3.5 32 0,3,-3,9,-15,33·····的规律是什么 1 2 3 4 ·····7 ·······10 ········?1 3 5 7 ·····?······?··········290 1 4 9 ·····?······?··········? 1*2*3*4*5*6*7*8*9*10·········*50积的末尾一共有多少个0? 人教版9年级语文【基础训练】55和56页的题目怎么做··························是56和57页的 9年级上册·················································· 0,1,3,6,10,15,21·········它们的规律是什么? 数学题（16x-13)/(4x-3)+（40x-43)/(8x-9)=（32x-30)/(8x-7)+（20x-24)/(4x-5)在线等··············求过程··············· 计算0.00······(100个0).81除0.00······(98个0).9的积 2011红领巾快乐数独答案一2·····4·9·631·4·8·8··97··3··3··2·95···95·86···15·3··7··9··47··5·7·3·182·3·4·····7二7·1·8·3·····413·6·2·6···4·8·8·5·1·2·61·····94·2·9·4·7·8· 求下面行列式1 0 0··· 0 a10 1 0··· 0 a20 0 1·· ·0 a3······················0 0 0··· 1 anb1 b2 b3···bn c 1+2+3+4+5+6+7+8+9+1+11+12+13+14+15````````1+2+3+4+5+6+7+8+9+1+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28++29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50·································· 有理数a、b在数轴上位置如图所示,试化简 |a-b|-|a+b|+2|b-2a|··········································b 0 a 找规律:0,9,24,45,72······ 这几道奥数题谁会,求2014在哪一行那一列 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 20 19 18 17 16 求2014哪一行那一列 1 2 3 4 5 6 7 8 9 ···· ····· ·························· 1 2 9 10 25 26 ··· 4 3 8 11 24 27 ··· 5 6 7 12 23 26··· 17 1816 15 14 13 22 29···1 2 9 10 25 26 ··· 4 3 8 11 24 27 ··· 5 6 7 12 23 26···16 15 14 13 22 29·· ·17 18 19 20 21 30···36 35 34 33 32 31··· · 3·97＋0·7－1·32＝?脱式计算, 0~100的素数的答案比如2·3·5·7·11·13······