早教吧作业答案频道 -->其他-->
怎样简便就怎样算2.5×12.5×3.218.72-3.34-1.66-1.721.25×17.6+36÷0.8+2.64×12.5(58+127)×8+1927(+4.8)+(-14)+(-6)+(+15.2)567+345×566567×345+222.
题目详情
怎样简便就怎样算
2.5×12.5×3.2 18.72-3.34-1.66-1.72 2.5×12.5×3.2 18.72-3.34-1.66-1.72 1.25×17.6+36÷0.8+2.64×12.5 (
+
)×8+
1.25×17.6+36÷0.8+2.64×12.5 (
+
)×8+
+
)×8+
5 5 8 8
)×8+
1 1 27 27
19 19 27 27 (+4.8)+(-14)+(-6)+(+15.2)
.(+4.8)+(-14)+(-6)+(+15.2)
.
.
567+345×566 567+345×566 567×345+222 567×345+222
2.5×12.5×3.2 | 18.72-3.34-1.66-1.72 | ||||||
1.25×17.6+36÷0.8+2.64×12.5 | (
| ||||||
(+4.8)+(-14)+(-6)+(+15.2) |
|
2.5×12.5×3.2 | 18.72-3.34-1.66-1.72 | ||||||
1.25×17.6+36÷0.8+2.64×12.5 | (
| ||||||
(+4.8)+(-14)+(-6)+(+15.2) |
|
5 |
8 |
1 |
27 |
19 |
27 |
5 |
8 |
1 |
27 |
19 |
27 |
5 |
8 |
1 |
27 |
19 |
27 |
5 |
8 |
1 |
27 |
19 |
27 |
1 |
27 |
19 |
27 |
19 |
27 |
567+345×566 |
567×345+222 |
567+345×566 |
567×345+222 |
567+345×566 |
567×345+222 |
567+345×566 |
567×345+222 |
▼优质解答
答案和解析
(1)2.5×12.5×3.2
=2.5×12.5×8×0.4
=(2.5×0.4)×(12.5×8)
=1×100
=100
(2)18.72-3.34-1.66-1.72
=18.72-1.72-(3.34+1.66)
=17-5
=12
(3)1.25×17.6+36÷0.8+2.64×12.5
=1.25×17.6+36×1.25+26.4×1.25
=1.25×(17.6+36+26.4)
=1.25×80
=100
(4)(
+
)×8+
=
×8+
×8+
=5+
×(8+19)
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
=
=
=1
5 5 58 8 8+
)×8+
=
×8+
×8+
=5+
×(8+19)
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
=
=
=1
1 1 127 27 27)×8+
=
×8+
×8+
=5+
×(8+19)
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
=
=
=1
19 19 1927 27 27
=
×8+
×8+
=5+
×(8+19)
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
=
=
=1
5 5 58 8 8×8+
×8+
=5+
×(8+19)
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
=
=
=1
1 1 127 27 27×8+
=5+
×(8+19)
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
=
=
=1
19 19 1927 27 27
=5+
×(8+19)
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
=
=
=1
1 1 127 27 27×(8+19)
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
=
=
=1
567+345×566 567+345×566 567+345×566567×345+222 567×345+222 567×345+222
=
=
=1
567×345−345+567 567×345−345+567 567×345−345+567567×345+222 567×345+222 567×345+222
=
=1
567×345+222 567×345+222 567×345+222567×345+222 567×345+222 567×345+222
=1
=2.5×12.5×8×0.4
=(2.5×0.4)×(12.5×8)
=1×100
=100
(2)18.72-3.34-1.66-1.72
=18.72-1.72-(3.34+1.66)
=17-5
=12
(3)1.25×17.6+36÷0.8+2.64×12.5
=1.25×17.6+36×1.25+26.4×1.25
=1.25×(17.6+36+26.4)
=1.25×80
=100
(4)(
5 |
8 |
1 |
27 |
19 |
27 |
=
5 |
8 |
1 |
27 |
19 |
27 |
=5+
1 |
27 |
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
5 |
8 |
1 |
27 |
19 |
27 |
=
5 |
8 |
1 |
27 |
19 |
27 |
=5+
1 |
27 |
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
1 |
27 |
19 |
27 |
=
5 |
8 |
1 |
27 |
19 |
27 |
=5+
1 |
27 |
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
19 |
27 |
=
5 |
8 |
1 |
27 |
19 |
27 |
=5+
1 |
27 |
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
5 |
8 |
1 |
27 |
19 |
27 |
=5+
1 |
27 |
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
1 |
27 |
19 |
27 |
=5+
1 |
27 |
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
19 |
27 |
=5+
1 |
27 |
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
1 |
27 |
=5+1
=6
(5)(+4.8)+(-14)+(-6)+(+15.2)
=(4.8+15.2)-(14+6)
=20-20
=0
(6)
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
567+345×566 |
567×345+222 |
=
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
567×345−345+567 |
567×345+222 |
=
567×345+222 |
567×345+222 |
=1
567×345+222 |
567×345+222 |
=1
看了 怎样简便就怎样算2.5×12...的网友还看了以下:
直接写出得数.7-4.52=5.4+0.54-0.7×0.5=3÷0.2=24×25=6÷0.5= 2020-04-07 …
计算:(6)434+(−3.85)−(−314)−(+3.15)(7)3-5-4÷(-12)(8) 2020-04-07 …
看谁算得又对又快0.65+4.35=3.5×200=4×0.25=10-5.4=4÷20=1.5- 2020-04-07 …
看谁算得又对又快27÷14×7=3.5×200=5×0.25=10-5.4=501×13=1.5- 2020-04-07 …
口算.(1)7.2+2.08=(2)13+14=(3)710÷12=(4)0÷0.99=(5)32 2020-07-09 …
1.[5/7-(7/9+5/6-11/12)乘36]*(-5)2.[1/16-(-3/4)3次幂× 2020-07-19 …
口算0.67+0.3=12×0.5=3.2+1.8=0.8×25-10=54-1=17+15=1- 2020-07-25 …
计算:(0.25+2/5)/(2.75-1又2/3)/2又1/6简便运算:1.0.9+0.99+0 2020-07-25 …
解方程要带过程!7x-25=13.54x-2x=3*1812(2+3x)=42x-0.2x=5.2 2020-07-31 …
观察下列各式1/(2^0.5+1)=2^0.5-1,1/(3^0.5+2^0.5)=3^0.5-2^ 2020-11-28 …