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计算下面各题,怎样简便就怎样算632-153-47158-[(27+54)÷9]35+98+265+2023200÷25÷488×12599×108+108250×19×4682-36+6417×26-26×7.
题目详情
计算下面各题,怎样简便就怎样算
632-153-47 | 158-[(27+54)÷9] | 35+98+265+202 |
3200÷25÷4 | 88×125 | 99×108+108 |
250×19×4 | 682-36+64 | 17×26-26×7. |
▼优质解答
答案和解析
①632-153-47
=632-(153+47)
=632-200
=432
②158-[(27+54)÷9]
=158-[81÷9]
=158-9
=149
③35+98+265+202
=(35+265)+(98+202)
=300+300
=600
④3200÷25÷4
=3200÷(25×4)
=3200÷100
=32
⑤88×125
=11×8×125
=11×( 8×125)
=11×1000
=11000
⑥99×108+108
=108×(99+1)
=108×100
=10800
⑦250×19×4
=250×4×19
=1000×19
=19000
⑧682-36+64
=646+64
=710
⑨17×26-26×7
=26×(17-7)
=26×10
=260
=632-(153+47)
=632-200
=432
②158-[(27+54)÷9]
=158-[81÷9]
=158-9
=149
③35+98+265+202
=(35+265)+(98+202)
=300+300
=600
④3200÷25÷4
=3200÷(25×4)
=3200÷100
=32
⑤88×125
=11×8×125
=11×( 8×125)
=11×1000
=11000
⑥99×108+108
=108×(99+1)
=108×100
=10800
⑦250×19×4
=250×4×19
=1000×19
=19000
⑧682-36+64
=646+64
=710
⑨17×26-26×7
=26×(17-7)
=26×10
=260
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