236 : 3 +64 : 3
=(236+64):3
=300:3=100
1159:125-159:125
=(1159-159):125
=1000:125=8
(236 + 64) : 3 = 300 : 3 = 100
(1159 - 159) : 125 = 1000 : 125 = 8
thuc hien phep tinh
125 (28+72 ) - 25 (3^2 .4 +64 )
625^5 và 125^7
so sanh khong thuc hien phep tinh
ai nhanh minh tich cho
thuc hien phep tinh:
(125^3.5.7^5-175^5):2016^2016
tra loi day du cac ban nhe minh tick
1..thuc hien phep tinh
a) [18-(-21)+(-9)]-13
b)125-139+200-(-75)
c) (-33)-(-12)-4
d) 22+(-31)-32+50
thuc hien phep tinh( hop ly neu co the):
a) (11+159) . 37+(185-31) :14
b) 3280-(3^2.7^3.49)
Bai 1: thuc hien phep tinh
A,17×85+15×17-120
B,75-(3×52-4×23)
C,A=12:{390:[500-(125+35×7)]}
D,B=10+12+14+........96+98
Ghi ro loi giai ra nhe !! Lam dung minh tick cho
1..tinh nhanh
22-(-23)-23.78
b) -83.36+17.(-36)
c) 30.(18-39)-39.(30-18)
2...thuc hien phep tinh
a) [18-(-21)+(-9)]-13
b)125-139+200-(-75)
c) (-33)-(-12)-4
d) 22+(-31)-32+50
giup mk xiu nha mk tick cho
thuc hien cac phep tinh sau bang cach hop li nhat
a] 38+41+117+159+62
b] 73+86+968+914+3032
c]341.67+34116+658+83
d]4253+47156-47114
1/4 - 1/3+ 5/12 Thuc hien cac phep tinh (tinh hop li neu co the)
