100道简便计算,及答案。

如题所述

300÷125÷8
=300÷(125×8)
=300÷1000
=0.3
396-96-172-28
=(396-96)-(172+28)
= 300-200
= 100
125*24
= 125*8*3
= 1000*3
= 3000
26*15
= (20+6)*15
= 20*15 + 6*15
= 300+90
=390
25*99*4
= 25*4*99
= 100*99
= 9900
250*32
= 250*4*8
= 1000*8
= 8000
(98+98+98+98)*25
= 4*98*25
= 4*25*98
= 100*98
= 9800
温馨提示:答案为网友推荐,仅供参考
第1个回答  2019-08-18
300÷125÷8
=300÷(125×8)
=300÷1000
=0.3
第2个回答  2020-08-24
125*64=8000 342*24=8208
612*54=33048 578*34=19652
645*34=21930 34584*548=18952032
第3个回答  2017-05-18
300÷125÷8
=300÷(125×8)
=300÷1000
=0.3

396-96-172-28
=(396-96)-(172+28)
= 300-200
= 100

125*24
= 125*8*3
= 1000*3
= 3000

360÷24
=360÷6÷4
=60÷4
=15

240÷48
=240÷24÷2
=10÷2
=5

27+456+73
=(27+73)+456
=100+456
=556

24÷4+56÷4
=(24+56)÷4
=80÷4
=20

2.5×0.7×0.8
=(2.5×0.8)×0.7
=60×0.7
=42
800÷32
=800÷8÷4
=100÷4
=25

630÷42
=630÷6÷7
=105÷5
=15本回答被网友采纳

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