五年级脱式计算简便运算的题 脱式计算下面各题,能简算的,要简算。这题我不会做你们帮我算吧
脱式计算下面各题,能简算的,要简算。这题我不会做你们帮我算吧
脱式计算下面各题,能简算的,要简算。这题我不会做你们帮我算吧
进行计算如下
(4/9)x(5/16)/(5/6)
=4/9x5/16x6/5
=4/16x6/9
=1/6
帮我算算下列各题,能简算的要简算
4分之3+6分之5-4分之3=4分之3-4分之3+6分之5=6分之5
9分之7-5分之2+9分之2=9分之7+9分之2-5分之2=1-5分之2=5分之3
2-7分之5-7分之2=2-(7分之5+7分之2)=2-1=1
4分之3+6分之5+12分之5=12分之9+12分之10+12分之5+2
计算下面各题.(能简算的要简算)2.5×14-360÷15 ...
(1)2.5×14-360÷15
=35-24
=11;
(2)46×0.61+4.6×3.9
=4.6×(0.61+0.39)
=4.6×1
=4.6;
(3)(
4 11+
7 13)×11×13
=
×11×13+
7 13×11×13
=52+77
=129;
(4)
8 17÷23+
1 23×
9 17=(
8 17+
9 17)×
1 23=1×
1 23=
1 23.
计算下面各题,能简算的要简算.15.28-3.99-9.01 &nbs
(1)15.28-3.99-9.01
=15.28-(3.99+9.01)
=15.28-13
=2.28;
25×1.25×32
=25×1.25×4×8
=25×4×(1.25×8)
=100×10
=1000;
×[
8 9÷(
5 6?
3 4)]
=
×[
8 9÷
1 12]
=
×[
8 9×12]
=
×
32 3=4.
计算下面各题,能简便算的要简算
1、
=3.4+3.7
=7.1
2、
=2.4*3/4+0.5
=1.8+0.5
=2.3
3、
=3.6*5/4+0.08
=4.5+0.08
=4.58
4、
=(7.8+8.2)-(1.9+8.1)
=16-10
=6
5、
=7.3*(1.24+8.78)
=7.3*10.02
=7.3*(10+0.02)
=7.3*10+7.3*0.02
=73+0.146
=73.146
计算下面各题,能简算的要简算。谢谢了
3.6*(5/6-5/9)
=3.6*5/6-3.6*5/9
=3-2
=1
5/12*11+5/12
=5/12*(11+1)
=5/12*12
=5
55*3/56
=(56-1)*3/56
=56*3/56-1*3/56
=3-3/56
=2又53/56
20*(4/5+9/10)
=20*4/5+20*9/10
=16+18
=34
1/3+7/5*7/5
=1/3+1
=4/3
13*(2-1/65)
=13*2-13*1/65
=26-1/5
=15又4/5
计算下面各题,能简算的要简算.9.2-0.39-6.2 &n...
(1)9.2-0.39-6.2
=9.2-6.2-0.39
=3-0.39
=2.61
(2)24.82-(6-5.18)
=24.82-(6-5.18)
=24.82-0.82
=24
(3)0.51+0.49-0.51+0.49
=0.51-0.51+0.49+0.49
=0+0.49+0.49
=0.98
(4)7.28-3.46-5.54+2.72
=(7.28+2.72)-(3.46+5.54)
=10-9
=1
计算下面各题能简算的要简算. 672-36-64 26...
(1)672-36-64=672-(36+64)
=672-100
=572(2)26×76+26×24
=26×(76+24)
=26×100
=2600
(3)98+265+202
=98+202+265
=300+265
=565
(4)99×26
=(100-1)×26
=100×26-1×26
=2600-26
=2574
(5)32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000
(6)576-(176+280)
=576-176-280
=400-280
=120
(7)32×101-32
=32×(101-1)
=32×100
=3200
(8)89×99+89
=89×(99+1)
=89×100
=8900
(9)1050÷15÷7
=1050÷(15×7)
=1050÷105
=10
计算下面各题,能简算的要简算. 99+5.9+2.1+4.01 &nb...
(1)99+5.9+2.1+4.01
=99+(5.9+2.1)+4.01
=99+8+4.01
=111.01;
(2)125×32
=125×8×4
=1000×4
=4000;
(3)45×(
1 9-
1 15)
=45×

1 9
-45×
1 15=5-3
=2;
(4)(168-85)×(56÷8)
=83×7
=581;
(5)5×3+40.6÷2
=15+20.3
=35.3;
(6)11÷[(
3 8-
1 4)×
2 5]
=11÷[
×
2 5]
=11÷
=220.
计算下面各题,能简算的要简算.12.5×16×0.54.8÷0.16÷0.348.7-32.
(1)12.5×16×0.5,
=12.5×(2×8)×0.5,
=(12.5×8)×(2×0.5),
=100×1,
=100;(2)4.8÷0.16÷0.3,
=4.8÷(0.16×0.3),
=4.8÷0.048,
=100;
(3)48.7-32.76÷8.4,
=48.7-3.9,
=44.8;
(4)0.57×102,
=0.57×(100+2),
=0.57×100+0.57×2,
=57+1.14,
=58.14.