31+(-4/5)-(-0.25)
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31+(-4/5)-(-0.25)31+(-4/5)-(-0.25)31+(-4/5)-(-0.25)=31-0.8+0.25=30.2+0.25=30.4531+(-4/5)-(-0.25)=31-
31+(-4/5)-(-0.25)
31+(-4/5)-(-0.25)
31+(-4/5)-(-0.25)
=31-0.8+0.25
=30.2+0.25
=30.45
31+(-4/5)-(-0.25)
=31-0.8+0.25
=30.2+0.25
=30.45
31+(-4/5)-(-0.25)
=31-0.8+0.25
=30.2+0.25
=30.45
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30.45
30.45
31+(-4/5)-(-0.25)
31+(-4分之五)+0.25怎么算
8+(-1/4)-5-(-0.25)
(-4)×5×(-0.25)=?
31加【-4分之5】加0.25
(-4)乘以5乘以(-0.25)=?
15.5除以5/31的商乘0.25的倒数,积是多少.(用方程)
():0.25=4
计算:(1)7+(-2)-3.4 (2)(-21.6)+3-7.4+(-2/5) (3)31计算:(1)7+(-2)-3.4(2)(-21.6)+3-7.4+(-2/5)(3)31+(-5/4)+0.25(4)7-(-1/2)+1.5(5)49-(-20.6)-3/5(6)(-6/5)-7-(-3.2)+(-1
计算(快呀) -91÷13 -56÷(-14) 16÷(-3) (-48)÷(-16) 5/4÷(-1) -0.25÷8/31X(-5) 1÷(-5)1+(-5) 1-(-5)-1X(-5) -1÷(-5)-1+(-5) -1-(-5)-91÷13 -56÷(-14) 16÷(-3) (-48)÷(-16) 5/4÷(-1) -0.25
8+(4分之1)-5-(0.25)
8+(-1/4)-5-(-0.25)计算:写过程
7+(-4分之1)-5-(-0.25)
8+(-4/1)-5-(-0.25)算式
正负数混合运算 计算题7+(-2)-3.4;-21.6+3-7.4+(-2/5);31+(-5/4)+0.25;7-(-1/2)+1.5;49-(-20.6)-3/5:(-6/5)-7-(-3.2)+(-1)
31+(-5分之4)+0.25快!要算式!
5平方分米4平方厘米等于多少平方厘米?0.25×( )=0.25÷( )=1
(-5/8)×(-4)-0.25×(-5)×(-4)