Tính
Cứu
----- Nội dung dịch tự động từ ảnh -----
ĐỀ ÔN TẬP KIEM TRA
(-15)+(+20)
4)−(−5) + (−12)
(-13)-(+15)+(-20)
1
2) (+50)+(-14)
5)-(-13)-(-10)
8(-5)-(5-8-9)
11)−(−10)-(-5+11-7)
3-25+16
(60-(+7)
21)-15+(89+15-72)-(89-72)
(23)-(81-32-47)+81-(32+2)
25) 54-(45-30+54)-30+5
27) 20-(25-98+72)+(25-98+72)
29)-20+(3-16+7)-(3-16+7)
9) 9−(−5+3-7)+(-−8)
13)−(5-7)-(8-10)
10) (4-7-5)-(+5)
(13)-(-8)−9+10+(-14) + (+12) 4-11-(-15)+(−13)−(+9)+(−5)
15)-9+17-18+12-23
)−5+(-37-45+51)−(−37+51)
17)-11-(-15)+(-13)-(+9)+(-5) 18)-(-4)-(-12)-(+5)+19
9)-(15-47 +58)+(15-47)+3
(53-45-49)-(53+45-49)
22) 42-56+33-(33-56+42)
24) 50-(47+50-18)+(47-18)
(26) 5+ [-(-12)+(-9)]-[7-(-10)+3]
28) [5-(-4)+(-7)]-[−(−8) + (−9)+1]
13-[5-(4-5)+6] [3-(2-7)]