用简便方法计算128-27-73,102*35,(125*11)*8,21*79+79*79,10
答案:5 悬赏:70 手机版
解决时间 2021-12-03 08:07
- 提问者网友:
- 2021-12-02 23:53
用简便方法计算128-27-73,102*35,(125*11)*8,21*79+79*79,10
最佳答案
- 五星知识达人网友:撞了怀
- 2021-12-03 00:09
128-27-73
=128-(27+73)
=128-100
=28
102*35
=(100+2)×35
=100×35+2×35
=3500+70
=3570
(125*11)*8
=125×8×11
=1000×11
=11000
21*79+79*79
=79×(21+79)
=79×100
=7900
103*48-48*3
=48×(103-3)
=48×100
=4800
8*(125+9)
=125×8+9×8
=1000+72
=1072
=128-(27+73)
=128-100
=28
102*35
=(100+2)×35
=100×35+2×35
=3500+70
=3570
(125*11)*8
=125×8×11
=1000×11
=11000
21*79+79*79
=79×(21+79)
=79×100
=7900
103*48-48*3
=48×(103-3)
=48×100
=4800
8*(125+9)
=125×8+9×8
=1000+72
=1072
全部回答
- 1楼网友:洒脱疯子
- 2021-12-03 04:34
128-27-73=128-(27+78)=28追答102×35=(100+2)×35=3500+70=3570(125×11)×8=125×8×11=1000×11=1100021×79+79×79=(21+79)×79=100×79=7900103×48-48×3=(103-3)×48=100×48=48008×(125+9)=125×8+9×8=1000+72=1072
- 2楼网友:愁杀梦里人
- 2021-12-03 03:35
128-(27+73)
100*35+2*35
125*8*11
(21+79)*79
(103-3)*48
125*8+9*8
100*35+2*35
125*8*11
(21+79)*79
(103-3)*48
125*8+9*8
- 3楼网友:天凉才是好个秋
- 2021-12-03 02:21
128-(27+73),(100+2)*35=100*35+2*35,(21+79)*79,(103-3)*48,8*(100+30+4)=800+240+32
- 4楼网友:孤老序
- 2021-12-03 01:25
128-27-73=128-(27+73)=128-100=28
102*35=35*(100+2)=35*100+35*2=3500+70=3570
125*11*8=125*8*11=11*1000=11000
21*79+79*79=79*(21+79)=79*100=7900
103*48-48*3=48*(103-3)=48*100=4800
8*(125+9)=125*8+8*9=1000+72=1072
102*35=35*(100+2)=35*100+35*2=3500+70=3570
125*11*8=125*8*11=11*1000=11000
21*79+79*79=79*(21+79)=79*100=7900
103*48-48*3=48*(103-3)=48*100=4800
8*(125+9)=125*8+8*9=1000+72=1072
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