(-0.25)*2/5*8-9/(-3/2)²
(-0.25)*2/5*8-9/(-3/2)²
(1)1.25*0.25*32(2)5/7+9/8*5/9+3/8(3)(3/7+5/14)/11/21-2/5能简算的
计数:(-2/5)²÷(-12/5)-8/21×(-7/4)-0.25
0.25+(-1/8)-(+7/8)-(+3/4)还有-3-〔-5+(1-3*3/5)/(-2)〕 9又14/15*(-
0.25²-8⅔次方-(1/16)的0.75次方-2log(5)10-log(5)0.25
(1):[(8/9+1又1/3)×3/4-0.25]÷1/12 (2):(2又1/2003×9又5/8+2002/200
计算(√8-2√0.25)-(√9/8+2/3√72)
(1-2²)+3²-4²+5²-6²+7²-8²+
-5/3乘(0.5减2/3)除以10/9 42乘(-2/3)+(-3/4)除以(-0.25) (-56)除以(-12+8
计算-8+[-1/7-(-1/6-0.25×2/3)÷7/3]-(8+9)
0.3/5/6+5/2 3/7/21*7/9 12/5/(1-9/4) 【1-(8/1+0.25)】/12/5 简便运算
(1)9分之14-50%÷3分之2-5分之1 (2)8分之7×80%-8分之1×80%-0.25×80%