3.75*0.5-2.75/2 6.3/1.8 9.5/(1.9/8) (7.7+1.54)/0.7 (11.7-9.9)/0.9 用简便方法计算
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3.75*0.5-2.75/2 6.3/1.8 9.5/(1.9/8) (7.7+1.54)/0.7 (11.7-9.9)/0.9 用简便方法计算
3.75*0.5-2.75/2 6.3/1.8 9.5/(1.9/8) (7.7+1.54)/0.7 (11.7-9.9)/0.9 用简便方法计算
3.75*0.5-2.75/2 6.3/1.8 9.5/(1.9/8) (7.7+1.54)/0.7 (11.7-9.9)/0.9 用简便方法计算
3.75*0.5-2.75/2
=3.75/2-2.75/2
=(3.75-2.75)/2
=1/2=0.5
6.3/1.8=3.5
9.5/(1.9/8)=9.5/1.9*8=5*8=40
(7.7+1.54)/0.7
=7.7/7+1.54/7
=1.1+0.22
=1.32
(11.7-9.9)/0.9
=11.7/0.9-9.9/0.9
=13-11
=2
3.75*0.5-2.75/2 6.3/1.8 9.5/(1.9/8) (7.7+1.54)/0.7 (11.7-9.9)/0.9 用简便方法计算
-(0.5-13/4+(-2.75)-(-11/2)
3.75*0.5+6.25﹨2
3又七分之三+3.25-2又二分之一2.7*2.75+6.3*2.75+2又4分之3
计算下列题(要求:必须简算)2.7乘以2.75+6.3乘以2.75+2又4分之3
数学简便运算(做得好追加100分)0.03*(1.34-0.84) 1.25*1.7*0.8 8.54-5.98 39/(0.5*3.9) 53.4/0.25/0.4 0.75+0.25/0.1 42/3.5 (7.2-0.4)*25 3.6-36*0.8 3.75*0.5+6.25/2 6.3*2.1-0.63
3.75/0.125-2.75如何简算?
(-8)+3.75+8+(-2.75)
3.75-(2.75-1.3)这道题的运算方式
0.5+【-4分之1】-【-2.75】+2分之1
0.5 (-1/4)-(-2.75) 1/2怎么算
0.5-13/4-2.75+11/2怎么做?
计算:-0.5-(-3 1/4)+2.75-7 1/2
(-0.5)-(-2 4分之1)+3.75-(+5 2分之1)
3.75*6.3+37.5*0.37怎么简便计算
-0.5-[-3.25]+2.75-7.5=
0.5+{-四分之一}-{-2.75}+二分之一
(+0.5)+(-3.25)+(-2.75)+(+5.5)