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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
2.5×12.5×3.218.72-3.34-1.66-1.72
1.25×17.6+36÷0.8+2.64×12.5
5
8
+
1
27
)×8+
19
27
(+4.8)+(-14)+(-6)+(+15.2)
567+345×566
567×345+222

2.5×12.5×3.218.72-3.34-1.66-1.72
1.25×17.6+36÷0.8+2.64×12.5
5
8
+
1
27
)×8+
19
27
(+4.8)+(-14)+(-6)+(+15.2)
567+345×566
567×345+222
2.5×12.5×3.218.72-3.34-1.66-1.722.5×12.5×3.218.72-3.34-1.66-1.721.25×17.6+36÷0.8+2.64×12.5(
5
8
+
1
27
)×8+
19
27
1.25×17.6+36÷0.8+2.64×12.5(
5
8
+
1
27
)×8+
19
27
5
8
+
1
27
)×8+
19
27
5
8
5588
1
27
)×8+
19
27
1
27
112727
19
27
19
27
19192727(+4.8)+(-14)+(-6)+(+15.2)
567+345×566
567×345+222
(+4.8)+(-14)+(-6)+(+15.2)
567+345×566
567×345+222
567+345×566
567×345+222
567+345×566
567×345+222
567+345×566567+345×566567×345+222567×345+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)(
5
8
+
1
27
)×8+
19
27

=
5
8
×8+
1
27
×8+
19
27

=5+
1
27
×(8+19)
=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
555888+
1
27
)×8+
19
27

=
5
8
×8+
1
27
×8+
19
27

=5+
1
27
×(8+19)
=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
111272727)×8+
19
27

=
5
8
×8+
1
27
×8+
19
27

=5+
1
27
×(8+19)
=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
191919272727
=
5
8
×8+
1
27
×8+
19
27

=5+
1
27
×(8+19)
=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
555888×8+
1
27
×8+
19
27

=5+
1
27
×(8+19)
=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
111272727×8+
19
27

=5+
1
27
×(8+19)
=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
191919272727
=5+
1
27
×(8+19)
=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
111272727×(8+19)
=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+345×566567+345×566567+345×566567×345+222567×345+222567×345+222
=
567×345−345+567
567×345+222

=
567×345+222
567×345+222

=1
567×345−345+567
567×345+222
567×345−345+567567×345−345+567567×345−345+567567×345+222567×345+222567×345+222
=
567×345+222
567×345+222

=1
567×345+222
567×345+222
567×345+222567×345+222567×345+222567×345+222567×345+222567×345+222
=1