小学68除以括号18减括号1.4加1.25乘2.4括号等于多少
18×括号1.5+1.25×2.4括号怎么简算 -
=81
=0.8×(1.4+3)0.8×4.4 =3.52
=81
=0.8×(1.4+3)0.8×4.4 =3.52
图,
= 25+12.5 = 37.5
括号1.25括号 2.5括号x88巧算 -
(1.25)×(2.5×88)=(1.25×8)×(2.5×11)=10×27.5=275
(1.25+1.1)×0.8 =1.25×0.8+1.1×0.8 =1+0.88 =1.88
小学数学六年级数学计算题150道急!!! -
列式计算:7.91×3+3×2.19 8.67-5.8 +1.33 853-147-253 54×23+77×54 420÷28 1600-(720+650÷13)(103-141÷47)×5 7200÷25÷4 8×(40+20)42÷(90÷30)18÷(24÷4)10.5-1.5-3.5 145+78+255 125×32 656-164-36 6.84+0.6+1.4+5.16 54等我继续说。.
1.25乘括号二有五分之二减二分之一括号加十分之十一除以2 =1.25×(2+ 2/5 -1/2)+11/10÷2 =5/4×(24/10 -5/10)+11/20 =5/4×(19/10 )+11/20 =95/40 +22/40 =117/40
10.2减括号1.25加2.5括号除以1.5的算式能简便吗 -
10.2-(1.25+2.5)÷1.5 =10.2-3.75÷1.5 =10.2-4.5÷1.5+0.75÷1.5 =10.2-3+0.5 =7.7
(1.25+2.5)×8 =1.25×8+2.5×8 =10+20 =30