2.35乘以5加上3.35除以0.2用简便方法怎么做?
45乘5 5.5除以0.2,用简便方法计算
45x5+5.5÷0.2=225+27.5=252.5
5÷0.2 0.2÷5用简便方法
5/0.2+0.2/5=25+0.04=25.04 如有帮助请采纳,如对本题有疑问可追问,Good luck!
4.2除以0.2乘以6.55用简便方法计算
4.2除以0.2乘以6.55用简便方法计算4.2÷0.2*6,55=4.2*5*6.55=21*6.55=137.55.
4.62除以0.5加上5.35乘以2用简便方法怎么做?
4.62除以0.5加上5.35乘以2=4.62*2加上5.35乘以2=(4.62+5.35)*2=9.97*2=19.94
用简便方法计算4.32xo.5÷0.2
展开全部4.32x0.5/0.2=10.8答:答案是10.8.
4点5乖5加5·5除以0·2简便计算
=4.5*5+5.5/0.2 =22.5+5.5/0.2 =28/0.2 =140
5.3除0.2乘5简便计算
5.3除0.2乘5简便计算=5/0.2x5.3=25x5.3=132.5
35乘以零点五加上2.74除以二又简便方法计算怎么算
35*0.5+2.74÷2= 35*1/2+2.74*1/2=(35+2.74)*1/2=37.74*1/2=18.87
17.5除以5加上3.2成3怎么用简便方法算?
17.5÷5+3.2*3=3.5+9.6=13.1 所以这也可以通过简便方法得到答案,是13.1.
37.5加上19.5除以2.5乘以4怎么用简便方法运算
37.5+(19.5+0.5-0.5)/2.5*4=37.5+(20/2.5-0.2)*4=37.5+(8-0.2)*4=37.5+31.2=68.7