20道简便运算
答案:2 悬赏:70 手机版
解决时间 2021-01-30 08:07
- 提问者网友:嘚啵嘚啵
- 2021-01-29 19:53
20道简便运算
最佳答案
- 五星知识达人网友:孤独入客枕
- 2021-01-29 20:10
4.8×10.1 =4.8×10+4.8×0.1 =48+0.48 =48.48
4.5×0.99 =4.5×1-4.5×0.01 =4.5-0.045 =4.455
3.4+3.4×99 =3.4×100 =340
187.7×11-187.7 =187.7×10 =1877
12×12/13 =12×13/13-12/13 =12-12/13 = 11又12/13
24×11/23 =11-1-1/23 =9又22/23
6/5-2/7+4/5-5/7 =(6/5+4/5)-(2/7+5/7) =2-1 =1
1.3/7 × 49/9 - 4/3
2.8/9 × 15/36 + 1/27
3.12× 5/6 – 2/9 ×3
4.8× 5/4 + 1/4
5.6÷ 3/8 – 3/8 ÷6
6.4/7 × 5/9 + 3/7 × 5/9
7.5/2 -( 3/2 + 4/5 )
8.7/8 + ( 1/8 + 1/9 )
9.9 × 5/6 + 5/6
10.3/4 × 8/9 - 1/3
11.7 × 5/49 + 3/14
12.6 ×( 1/2 + 2/3 )
13.8 × 4/5 + 8 × 11/5
14.31 × 5/6 – 5/6
15.9/7 - ( 2/7 – 10/21 )
16.5/9 × 18 – 14 × 2/7
17.4/5 × 25/16 + 2/3 × 3/4
18.14 × 8/7 – 5/6 × 12/15
19.17/32 – 3/4 × 9/24
20.3 × 2/9 + 1/3
4.5×0.99 =4.5×1-4.5×0.01 =4.5-0.045 =4.455
3.4+3.4×99 =3.4×100 =340
187.7×11-187.7 =187.7×10 =1877
12×12/13 =12×13/13-12/13 =12-12/13 = 11又12/13
24×11/23 =11-1-1/23 =9又22/23
6/5-2/7+4/5-5/7 =(6/5+4/5)-(2/7+5/7) =2-1 =1
1.3/7 × 49/9 - 4/3
2.8/9 × 15/36 + 1/27
3.12× 5/6 – 2/9 ×3
4.8× 5/4 + 1/4
5.6÷ 3/8 – 3/8 ÷6
6.4/7 × 5/9 + 3/7 × 5/9
7.5/2 -( 3/2 + 4/5 )
8.7/8 + ( 1/8 + 1/9 )
9.9 × 5/6 + 5/6
10.3/4 × 8/9 - 1/3
11.7 × 5/49 + 3/14
12.6 ×( 1/2 + 2/3 )
13.8 × 4/5 + 8 × 11/5
14.31 × 5/6 – 5/6
15.9/7 - ( 2/7 – 10/21 )
16.5/9 × 18 – 14 × 2/7
17.4/5 × 25/16 + 2/3 × 3/4
18.14 × 8/7 – 5/6 × 12/15
19.17/32 – 3/4 × 9/24
20.3 × 2/9 + 1/3
全部回答
- 1楼网友:廢物販賣機
- 2021-01-29 21:43
4.8×10.1
=4.8×10+4.8×0.1
=48+0.48
=48.48
4.5×0.99
=4.5×1-4.5×0.01
=4.5-0.045
=4.455
3.4+3.4×99
=3.4×100
=340
187.7×11-187.7
=187.7×10
=1877
12×12/13
=12×13/13-12/13
=12-12/13
= 11又12/13
24×11/23
=11-1-1/23
=9又22/23
6/5-2/7+4/5-5/7
=(6/5+4/5)-(2/7+5/7)
=2-1
=1
我要举报
如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息,可以点下面链接进行举报!
点此我要举报以上问答信息
大家都在看
推荐资讯