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脱式计算100×[(48-15)÷5][(125-25×5)+35]×60125×7+3000÷25200÷10+120×11516-(320+320÷5)169-(85+35)÷122500-791÷7×8[150-3÷(30-28)]×10[(512-475)×200-37]÷3750-[(45+35)+100]4×[7×25-(25+13)]125×7+3000÷25
题目详情
脱式计算
100×[(48-15)÷5] | [(125-25×5)+35]×60 | 125×7+3000÷25 |
200÷10+120×11 | 516-(320+320÷5) | 169-(85+35)÷12 |
2500-791÷7×8 | [150-3÷(30-28)]×10 | [(512-475)×200-37]÷37 |
50-[(45+35)+100] | 4×[7×25-(25+13)] | 125×7+3000÷25 |
▼优质解答
答案和解析
(1)100×[(48-15)÷5]
=100×[33÷5]
=100×6.6
=660;
(2)[(125-25×5)+35]×60
=[(125-125)+35]×60
=[0+35]×60
=35×60
=2100;
(3)125×7+3000÷25
=875+120
=995;
(4)200÷10+120×11
=20+1320
=1340;
(5)516-(320+320÷5)
=516-(320+64)
=516-384
=132;
(6)169-(85+35)÷12
=169-120÷12
=169-10
=159;
(7)2500-791÷7×8
=2500-113×8
=2500-904
=1596;
(8)[150-3÷(30-28)]×10
=[150-3÷2]×10
=[150-1.5]×10
=148.5×10
=1485;
(9)[(512-475)×200-37]÷37
=[37×200-37]÷37
=[7400-37]÷37
=7363÷37
=199;
(10)50-[(45+35)+100]
=50-[80+100]
=50-180
=-130;
(11)4×[7×25-(25+13)]
=4×[7×25-38]
=4×[175-38]
=4×137
=548;
(12)125×7+3000÷25
=875+120
=995.
=100×[33÷5]
=100×6.6
=660;
(2)[(125-25×5)+35]×60
=[(125-125)+35]×60
=[0+35]×60
=35×60
=2100;
(3)125×7+3000÷25
=875+120
=995;
(4)200÷10+120×11
=20+1320
=1340;
(5)516-(320+320÷5)
=516-(320+64)
=516-384
=132;
(6)169-(85+35)÷12
=169-120÷12
=169-10
=159;
(7)2500-791÷7×8
=2500-113×8
=2500-904
=1596;
(8)[150-3÷(30-28)]×10
=[150-3÷2]×10
=[150-1.5]×10
=148.5×10
=1485;
(9)[(512-475)×200-37]÷37
=[37×200-37]÷37
=[7400-37]÷37
=7363÷37
=199;
(10)50-[(45+35)+100]
=50-[80+100]
=50-180
=-130;
(11)4×[7×25-(25+13)]
=4×[7×25-38]
=4×[175-38]
=4×137
=548;
(12)125×7+3000÷25
=875+120
=995.
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