神马作文网6道奥数题 1．50×84/89＋46*42/89+84*26/89
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6道奥数题 1．50×84/89＋46*42/89+84*26/89
1.50×84/89＋46*42/89+84*26/89 2.13又 4/19+86又 15/19*0.25+0.625*86又 15/19+86又 15/19*0.125 3．77*1/8+7/8*23又 10/13+7/13*3/8
1.50×84/89＋46*42/89+84*26/89 2.13又 4/19+86又 15/19*0.25+0.625*86又 15/19+86又 15/19*0.125 3．77*1/8+7/8*23又 10/13+7/13*3/8
1.50×84/89＋46*42/89+84*26/89
=50×84/89+23×84/89+84×26/89
=84/89(50+23+26)
=84*99/89
=8316/89
2.13又 4/19+86又 15/19*0.25+0.625*86又 15/19+86又 15/19*0.125
=13又 4/19+86又 15/19(*0.25+0.625+0.125)
=13又 4/19+86又 15/19*1
=13+86+4/19+15/19
=99+1
=100
3．77*1/8+7/8*23又 10/13+7/13*3/8
=11*7/8+7/8*23又 10/13+7/8*3/13
=7/8(11+23+10/13+3/13)
=7/8*(35)
=245/8
=50×84/89+23×84/89+84×26/89
=84/89(50+23+26)
=84*99/89
=8316/89
2.13又 4/19+86又 15/19*0.25+0.625*86又 15/19+86又 15/19*0.125
=13又 4/19+86又 15/19(*0.25+0.625+0.125)
=13又 4/19+86又 15/19*1
=13+86+4/19+15/19
=99+1
=100
3．77*1/8+7/8*23又 10/13+7/13*3/8
=11*7/8+7/8*23又 10/13+7/8*3/13
=7/8(11+23+10/13+3/13)
=7/8*(35)
=245/8
6道奥数题 1．50×84/89＋46*42/89+84*26/89
85×88-84×89
1+1+2 +3+4+5+6+78+79+85+89+84+883
89
求TI计算器 83 84 89 对比~
int a[4][5]={{89,87,89,85,86},{87,89,96,92,94},{87,89,85,84,
1+2+3+4+5+6+7+8+9.+81+82+83+84+85+86+87+88+89+90.
86×46+89×53+89简便计算
74 84 6{ } { }8 89 85 平均数79 求括号的数字
解方程 [(81+83+85+87+89)/(82+84+86+88+90)]:x=(1/25):(86/170)
C语言编程题,求数组89,80,95,84,73,84,91,78,87,94的和以及平均值
78 80 82 85 89 87 90 86 79 88 84 81 的四分位差是多少?