98.1*0.01+5*9.81+0.049*981
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98.1*0.01+5*9.81+0.049*98198.1*0.01+5*9.81+0.049*98198.1*0.01+5*9.81+0.049*981原式=981×0.001+981×0.05+
98.1*0.01+5*9.81+0.049*981
98.1*0.01+5*9.81+0.049*981
98.1*0.01+5*9.81+0.049*981
原式
=981×0.001+981×0.05+981×0.049
=981×(0.001+0.05+0.049)
=981×0.1
=98.1
98.1*0.01+5*9.81+0.049*981
9.81*0.1+0.5*98.1+0.049*981怎样简算
9.81*0.1+0.5*98.1+0.049*981的简便计算
用简便方法计算9.81*0.1+0.5*98.1+0.049*981
9.81*0.1+0.5*98.1+0.049*981怎样简算
9.81×0.1+0.5×98.1+0.049×981怎么算?
9.81*0.1+98.1*0.5+981*0.49的简便运算
9.81*0.1+0.5*98.1+0.049*981 列式
简便计算:9.81*10%+1/2*98.1+0.049*981 (注:其中1/2分式)
这道计算题怎么简算?9.81×0.1+0.5×98.1+0.049×981
求帮忙解决2道简算题.9.81×0.1+0.5×98.1+0.049×981999×222+333×334
计算下面各题.(能简算的要简算)谢谢,急.(1)9.81×0.1+0.5×98.1+0.049×981(2)1×2分之1+2×3分之1+3×4分之1+4×5分之1+……+199×200分之1
12+[0.4*0.75+(0.5+?)*3]/0.3=98 等于几 9.81*0.1+0.5*98.1+0.049*981= 6789.6789/6.789=每题简算
由5个1、4个0.0、7个0.01组成的数是( ),这个数读作( )
脱式计算(能简算的要简算)①3 -2 +5 -1 ②14.85-1.58×8+31.2÷1.2 ③(1 +2 )÷(2-1 ) ④2.25× +2.75÷1 +60% ⑤9.81×0.1+0.5×98.1+0.049×981 ⑥1000+999-998-997+996+995-994-993+…+104
能用简算的用简算计:9.81 X 9.8 0.027+9.9X0.27(1)9.81X9.8 =9.81×(10-0.2)=98.1-1.962=96.138(2)0.027+9.9X0.27 =0.027+99×0.027=0.027×(1+99)=0.027×100=2.7
(9.81*3分之1-2.5)/5分之4
0.0