1.65÷5+1.29×0.2+0.06×百分之20
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 18:55:44
5-5÷1.25+0.25×【-2—(2.32-8÷5×0.2)】=5-5÷1.25+0.25×【-2—(2.32-8÷5×0.2)】=5-4+0.25×【-2—(2.32-1.6×0.2)】=1+0
如题.31x=5x=5/31
1】(0.75+0.2)÷0.25×3=0.95×4×3=3.8×3=11.4【2】1/6÷【1÷(3/5-3/10)】=1/6÷(1-3/10)=1/6÷7/10=1/6×10/7x=5/21
10分之1÷3分之2=(0.15)÷0.25(0.6)÷0.2(3)×9分之5(3分之5)÷2分之1(3分之10)2、4÷125分之1×100÷8分之1=(④)①10②1000③32分之5④40000
-3-【-5+(1-0.2×35)÷(-2)】=-3-【-5+(1-7)÷(-2)】=-3-【-5-6÷(-2)】=-3-(-5+3)=-3-(-2)=-3+2=-1
(95分之1994×1.65-95分之1994+20分之7×95分之1994)×47.5×0.8×2.5+10÷5=(1994/95)×(1.65-1+0.35)×47.5×0.8×2.5+10÷5=
35.l515
25A=15B=100C=18D
(1)(5.9+1.65)÷0.25,=7.55÷0.25,=30.2;(2)4÷(47+45),=4÷(2035+2835),=4÷4835,=4×3548,=3512;(3)729×38+629×
2.5÷(3.5-1.65)×0.4=2.5×0.4÷1.85=1÷1.85=20/37
0.2×54+0.2×13+32÷5+0.2=1/5×54+1/5×13+32×1/5+1/5=1/5×(54+13+32+1)=1/5×100=20
(0.8x+0.9)÷0.5=(x+5)÷2+(0.3x-0.2)÷0.31.6X+1.8=0.5X+2.5+X-2/34.8X+5.4=1.5X+7.5+3X-20.3X=0.1X=1/3
【2-(3.75×1又3分之1-2又5分之2÷0.6)】÷0.2=【2-(15/4×4/3-12/5÷3/5)】÷(1/5)=【2-(5-12/5×5/3)】÷(1/5)=【2-(5-4)】÷(1/5
=-5-3/10*(-1/2)=-5+3/20=-97/20麻烦给个好评,
5/6*1/5+12/13/6=1/6+2/13=(13+12)/6*13=25/78
计算题.-4-【-5+(0.2×三分之一-1)÷(-1又5分之2)】=-4-【-5+(1/15-1)÷(-7/5)】=-4-【-5-14/15×(-5/7)】=-4-【-5+2/3】=-4+4又1/3
(209495×1.65-209495+720×209495)×47.5×0.8×2.5+10÷5,=(1.65-1+0.35)×209495×47.5×2×0.4×2.5+2,=1×199495×(
20%=0.21.65÷5+1.29×0.2+3/50×0.2=1.65×0.2+1.29×0.2+0.06×0.2=(1.65+1.29+0.06)×0.2=3×0.2=0.6