计算(能简便的要用简便方法计算). 368-128+32-72 2096-884-116-996 1998-(998-376) 345
计算(能简便的要用简便方法计算).368-128+32-722096-884-116-9961998-(998-376)345+299600÷2444×993562-15...
计算(能简便的要用简便方法计算). 368-128+32-72 2096-884-116-996 1998-(998-376) 345+299 600÷24 44×99 3562-15×209+188 3737÷(67-720÷24) 16×28-240÷15 36×102-36×2 1300÷25÷4 11×78+11×23-11.
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(1)368-128+32-72
=368+32-(72+128)
=400-200
=200;
(2)2096-884-116-996
=2096-996-(884+116)
=1100-1000
=100;
(3)1998-(998-376)
=1998-998+376
=1000+376
=1376;
(4)345+299
=345+300-1
=645-1
=644;
(5)600÷24
=600÷6÷4
=100÷4
=25;
(6)44×99
=44×100-44×1
=4400-44
=4356;
(7)3562-15×209+188
=3562-3135+188
=645;
(8)3737÷(67-720÷24)
=3737÷(67-30)
=3737÷37
=101;
(9)16×28-240÷15
=448-16
=432;
(10)36×102-36×2
=36×(102-2)
=36×100
=3600;
(11)1300÷25÷4
=1300÷(25×4)
=1300÷100
=13;
(12)11×78+11×23-11
=11×(78+23-1)
=11×100
=1100.
=368+32-(72+128)
=400-200
=200;
(2)2096-884-116-996
=2096-996-(884+116)
=1100-1000
=100;
(3)1998-(998-376)
=1998-998+376
=1000+376
=1376;
(4)345+299
=345+300-1
=645-1
=644;
(5)600÷24
=600÷6÷4
=100÷4
=25;
(6)44×99
=44×100-44×1
=4400-44
=4356;
(7)3562-15×209+188
=3562-3135+188
=645;
(8)3737÷(67-720÷24)
=3737÷(67-30)
=3737÷37
=101;
(9)16×28-240÷15
=448-16
=432;
(10)36×102-36×2
=36×(102-2)
=36×100
=3600;
(11)1300÷25÷4
=1300÷(25×4)
=1300÷100
=13;
(12)11×78+11×23-11
=11×(78+23-1)
=11×100
=1100.
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