19+199+1999和34+304+3004和540除以36的简便运算怎么做?请高手帮忙...

发布网友发布时间：2024-09-25 20:53

共3个回答

热心网友时间：2024-10-05 13:03

19+199+1999
=20+200+2000-3
=2220-3
=2217

34+304+3004
=30+300+3000+4×3
=3330+12
=3342

540÷36
=540÷9÷4
=60÷4
=15

热心网友时间：2024-10-05 13:11

19+199+1999
=20-1+200-1+2000-1
=2220-3
=2217

34+304+3004
=30+4+300+4+3000+4
=3330+12
=3342

540/36
=(60X9)/(4X9)
=60/4
=15

热心网友时间：2024-10-05 13:08

20+200+2000-3
30+300+3000+12
540/36=60/4

热心网友时间：2024-10-05 13:06

19+199+1999
=20+200+2000-3
=2220-3
=2217

34+304+3004
=30+300+3000+4×3
=3330+12
=3342

540÷36
=540÷9÷4
=60÷4
=15

热心网友时间：2024-10-05 13:11

20+200+2000-3
30+300+3000+12
540/36=60/4

热心网友时间：2024-10-05 13:04

19+199+1999
=20-1+200-1+2000-1
=2220-3
=2217

34+304+3004
=30+4+300+4+3000+4
=3330+12
=3342

540/36
=(60X9)/(4X9)
=60/4
=15