-5/4×4/5÷4/5×(-5/4)
3个回答
原式
=-5/4×4/5×5/4×(-5/4)
=5/4×4/5×5/4×5/4
=1×25/16
=25/16
相关问题
5×3= 4×3= 2×9= 7×2= 18÷6= 15÷5 40÷5= 21÷7= 4×4= 8×4= 4×7= 5×
4÷5+39×4/5
4×4= 25+5= 2×5= 4×6= 36+20= 8×7= 56-9= 36÷4= 45÷5= 42÷7= 54÷
脱式计算 16/5×3÷4/5 25/9÷5/4÷4/5 (5/9-1/2×1/
下列各式计算正确的是A.-7-2×5=(-7-2)×5 B.3÷5/4×4/5=3÷1=3 C.3÷4/5÷4/5=3÷
4/5-4/5÷2/3×1/2 (3/4-3/4×2/5)÷1/5×5 答好了给分,急,明天交
0.24-4/5×[5.5-(4.5+3/4÷0.75]
1×1+4÷4×15%/5
口算0.48÷4= 20×0.5= 4.8÷1.6= 1.5×5= 10-4.5= 0.39÷3= 7.2÷4= 6÷5
简便计算:2.5×3.2×12.5 6.3÷1.4 2.5×2.4 15.32×4+4.68÷0.25 2.55×1.5