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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 |
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| 19 |
| 27 |
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| 1 |
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| 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
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