分析:(1)首先計(jì)算兩個(gè)同分母的分?jǐn)?shù)相加,再計(jì)算加1
,算出結(jié)果即可;
(2)首先計(jì)算出絕對(duì)值,再算加減法;
(3)按照正數(shù)加正數(shù),負(fù)數(shù)加負(fù)數(shù)的原則進(jìn)行加法計(jì)算,再算異號(hào)兩數(shù)相加即可;
(4)先統(tǒng)一成加法,再把同號(hào)的數(shù)相加,再算異號(hào)兩數(shù)相加即可;
(5)先算出乘法的結(jié)果,再算加法計(jì)算;
(6)先用乘法分配律,用-36乘以括號(hào)里的每一項(xiàng),再計(jì)算加減即可;
(7)按照有理數(shù)混合運(yùn)算的順序,先乘方,再乘除,后加減,有括號(hào)的先算括號(hào)里面的,計(jì)算過(guò)程中注意正負(fù)符號(hào)的變化;
(8)按照先乘方,再乘除,后加減的計(jì)算順序計(jì)算即可;
(9)按照有理數(shù)混合運(yùn)算的順序,先乘方,再乘除,后加減,有括號(hào)的先算括號(hào)里面的,計(jì)算過(guò)程中注意正負(fù)符號(hào)的變化;
(10)按照有理數(shù)混合運(yùn)算的順序,先乘方,再乘除,后加減,計(jì)算過(guò)程中要注意看準(zhǔn)底數(shù).
解答:解:(1)原式=
+1
+1
=2+1
=3
;
(2)原式=2+2.5-3=4.5-3=1.5;
(3)原式=24+8+(-14)+(-16)=32+(-30)=2;
(4)原式=-40+(-28)+(-24)+19=-73;
(5)原式=1-1=0;
(6)原式=(-36)×
-(-36)×
+(-36)×
=-27+30-28=-27-28+30=-26;
(7)原式=-1-(3+8)÷6=-1-11÷6=-1-
=-
;
(8)原式=(-
)×
-9×
=-
-4=-4
;
(9)原式=-1-
××(2-9)=-1-
××(-7)=-1+
=
;
(10)原式=-81
÷+
÷9=-81×
+
×
=-36+
=-35
.