(-8/9)×(-0.25)×(-1/4)×9=?(1又3/4-0.875-7/12)×(-1又1/7)=?(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)=?
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(-8/9)×(-0.25)×(-1/4)×9=?(1又3/4-0.875-7/12)×(-1又1/7)=?(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)=?(-8/9)×(-0.
(-8/9)×(-0.25)×(-1/4)×9=?(1又3/4-0.875-7/12)×(-1又1/7)=?(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)=?
(-8/9)×(-0.25)×(-1/4)×9=?(1又3/4-0.875-7/12)×(-1又1/7)=?
(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)=?
(-8/9)×(-0.25)×(-1/4)×9=?(1又3/4-0.875-7/12)×(-1又1/7)=?(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)=?
(-8/9)×(-0.25)×(-1/4)×9
=(-8/9)*9*(-0.25)*(-1/4)
=(-1)*1
=-1
(1又3/4-0.875-7/12)×(-1又1/7)
=(7/4-7/8-7/12)*(-8/7)
打开=(-2)+1+3/4
=-1/4
(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)
=[(-5)*(-0.8)]*[(-7/9)*(-1/7)]*(9/4)
=4*(1/9)*(9/4)
=1
0.25*(-8)-【4/(-4/9)+1】+(-1)
8+(-1/4)-5-(-0.25)
1-(0.5-4/9)*3*{-2-(-27)}-|1/8-0.25|
-9分之8×(16分之5-4分之1)×丨4分之1-0.25丨
8/9*「3/4-(7/16-0.25)」
(-8/9)×(-0.25)×(-1/4)×9=?(1又3/4-0.875-7/12)×(-1又1/7)=?(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)=?
9分之8-(6分之1+0.25)/2.25简便
问几道数学计算题,急,①(-49)×(-32)+(-51)×(+32)②(-8/9)×(-0.25)×(-1/4)×9
①(-3)*(-5/6)*(-9/5)*1/4 ② 5/12 - 8/15 * 1/4 *(-3/2) ③(-5)* 8 *(-0.25)*(-7)
8+(4分之1)-5-(0.25)
8+(-1/4)-5-(-0.25)计算:写过程
8+(-4/1)-5-(-0.25)算式
7/2+9/4+(-1/3)-0.25+(-1/6)
计算0.25^4*8^2(1)0.25^4*8^2(2)(1/2)^8*8^6*0.25^5
利用乘法运算律计算:(-8/9)×(-0.25)×(-1/4)×9=?(-5)×(-7/9)×(-0.8)×(2又1/4)×(-1/7)=?
绝对值小于9的负整数有几个(+0.25)+(-3又8分之1)+(-4分之1)+(-5又4分之3)
计算-8+[-1/7-(-1/6-0.25×2/3)÷7/3]-(8+9)
(1/4-1/6+1/2)×(-12)=?(-49)×(-32)+(-51)×(+32)=?(-8/9)×(-0.25)×(1-1/4)×9=?