(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25等于多少?
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(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25等于多少?(49-0.25)/0.25+(46-0.25)/0.25+(43-0
(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25等于多少?
(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25等于多少?
(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25等于多少?
(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25 =49/0.25-1+46/0.25-1+……+1/0.25-1 =(49+46+……+1)/0.25-17 =(25X9)/0.5-17 =450-17 =433
(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25等于多少?
(46×0.25)×0.4+9.9×46(巧算)
(-0.25)-3次方+(-0.25)0次方
0.25:
平方根 6400 0.25 49/81
(-0.25) 的-3+(-0.25)的0等于
46减0.25竖式计算
64,0.25,81分之49的平方根.
巧算 46+32+54 546+785-146 0.7+3.9+4.3+6.1 25*49*4 8* (36*125) 8*4*12.5*0.25 2.7*4.8+2.7*5.2905*99+90513*10.2
17/0.25(简便)
0.25等于9:( )
():0.25=4
0.25 0.25 0.25 0.25等于0.125
0.25*(-0.125)*(-64)
(-270)*0.25+0.25*21.5+8.5*(-25%)=多少
0.25×()=0.25÷()=1
求一道数学简算题2.5*4.6+0.25*46
9.8*5.6-46*0.98.(25-0.2)/(1/0.25)简便运算