脱式计算(能简算的要简算6 8

2021-03-17 06:24:42 字数 2833 阅读 8083

1楼:手机用户

(1)6.8×0.75÷0.5,

=68×(0.75÷0.5),

=68×1.5,

=102;

(2)13.5÷2.5-2.75,

=5.4-2.75,

=2.65;

(3)0.125×0.25×32,

=0.125×0.25×4×8,

=(0.125×8)×(0.25×4),

=1×1,

=1;(4)0.9+9.9+99.9+0.3,=(1-0.1)+(10-0.1)+(100-0.1)+0.3,=111-0.3+0.3,

=111.

脱式计算.(能简算的要简算)17.68÷5.2+3.430.6×1.5÷5.13.2×

2楼:小鬔

(1)17.68÷5.2+3.4

=3.4+3.4,

=6.8;

(2)30.6×1.5÷5.1,

=30.6÷5.1×1.5,

=6×1.5,

=9;(3)3.2×2.08-0.6,

=6.656-0.6,

=6.056;

(4)3.8÷2.5÷4,

=3.8÷(2.5×4),

=3.8÷10,

=0.38.

6.8x0.75÷0.5 用递等式计算 能简算的要简算

3楼:经卡了开发区

=6.8x0.75/0.5

=6.8x0.75x2

=6.8x1.4

=9.52

脱式计算能简便的渐变6.8乘0.75/0.5 13.75/0.125-2.75 1.53+23.4/7.2 2.85/1.25/0.8 10.5*0.25*12

4楼:新野旁观者

6.8乘0.75/0.5

=6.8×(0.75×2)

=6.8×1.5

=10.2

13.75/0.125-2.75

=13.75×8-2.75

=110-2.75

=107.25

1.53+23.4/7.2

=1.53+23.4÷9÷0.8

=1.53+2.6÷0.8

=1.53+3.25

=4.78

2.85/1.25/0.8

=2.85÷(1.25×0.8)

=2.85

10.5*0.25*12

=10.5×(12÷4)

=10.5×3

=31.5

5楼:牢昊硕

你怎么跟我要求的一样啊,第一题我会,10.24/1.25/8 =10.24/(1.25*8) =10.24/10 =1.024

6楼:挚爱

0.25乘32乘1.7乘12.5的简便计算脱式,谁能帮帮我啊!谢谢各位了!o(∩_∩)o~

脱式计算(能简算的要简算)①31315?21314+5215?1114②14.85-1.58×8+31.2÷1.2③2.25×35+2.75÷123+60%

7楼:打铁王

①313

15-213

14+52

15-1114,

du=(313

15+52

15)-(213

14+11

14),

=9-4,

=5;②14.85-1.58×zhi8+31.2÷1.2,=14.85-12.64+26,

=28.21;

③2.25×3

5+2.75÷12

3+60%,

=2.25×0.6+2.75×0.6+0.6,=(2.25+2.75+1)×dao0.6,=6×0.6,

=3.6;

④1000+999-998-997+996+995-994-993+…内+104+103-102-101,

=(1000+999-998-997)+(996+995-994-993)+…+(104+103-102-101),

=4+4+…+4,

=4×(容900÷4),

=900.

脱式计算.(能简算的要简算)①1÷0.25+0.25÷1-2.5×0.1② 1+2+3+4+5+6+5+4+3+2+1 6666662

8楼:手机用户

①1÷0.25+0.25÷1-2.5×0.1,=4+0.25-0.25,

=4+(62616964757a686964616fe78988e69d83313333353336660.25-0.25),

=4+0,

=4;②1+2+3+4+5+6+5+4+3+2+16666662

,=36 6666662

,=18×2

3333331×2

,=18 3333331

;③2 2×4

+24×6

+26×8

+28×10

+210×12

,=1 2

-1 4

+1 4

-1 6

+1 6

-1 8

+1 8

-110

+110

-112

,=1 2

-112

,=512

;④1÷(1-0.99)-99÷(1-0.999),=1÷0.01-99÷0.001,

=100-99000,

=-98900.

脱式计算:能简算的要简算。,脱式计算:一、能简算的要简算。③4/7×5/9+3/7×5/9 = = = =

1楼 艾动漫小可 很简单的他们乘的都是五分之九所以他们要先加起来 别忘了加括号 ,然后乘以五分之九就完事儿了。 2楼 匿名用户 4 7 5 9 3 7 5 9 4 7 3 7 5 9 1 5 9 5 9 脱式计算 能简算要简算 ? 3楼 妙酒 3 76 4 25 5 75 12 3 27 0 73 ...

脱式计算,能简便的要简便。5 8

1楼 匿名用户 1 19 20 4 5 7 40 38 40 32 40 7 40 38 40 25 40 63 40 2 7 9 3 10 2 9 10 17 7 9 2 9 3 10 10 17 1 3 10 10 17 321 170 递等式计算 3 4 2 5 3 10 5 7 1 4 9 ...

脱式计算,能简算要简算(1),脱式计算,能简算要简算 (1)3/8+3/4*2/3÷6、(2)3-1÷(5/7+6/7*1/3)、(3)1.75*6/7+3/14*7/4+7/4

1楼 雪中送炭新野 1 3 8 3 4 2 3 6 3 8 1 2 1 6 3 8 1 12 11 24 2 3 1 5 7 6 7 1 3 3 1 5 7 2 7 3 1 2 3 1 75 6 7 3 14 7 4 7 4 7 4 6 7 3 14 1 7 4 29 14 29 8 脱式计算 能简...