小学数学计算题(用简便方法计算)
12.54+3.66+6.348.37-6.74+2.265.93+2.86-1.9318.2-6.54-1.4619.6-5.9-9.612.94-3.68-6.322...
12.54+3.66+6.34 8.37-6.74+2.26 5.93+2.86-1.93 18.2-6.54-1.46 19.6-5.9-9.6 12.94-3.68-6.32 20.18-(10.18-9.39) 32.92-(9.73+22.92) 12.68-3.67+3.32-1.33 59.18-16.8-3.2-9.18 46.03-5.95-6.05+10.97
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4个回答
展开全部
12.54+3.66+6.34
=12.54+(3.66+6.34)
=12.54+10
=22.54
8.37-6.74+2.26
=8.37-7+0.26+2.26
=1.37+3.52
=4.87
5.93+2.86-1.93
=5.93-1.93+2.86
=4+2.86
=6.86
18.2-6.54-1.46
=18.2-(6.54+1.46)
=18.2-8
=10.2
19.6-5.9-9.6
=19.6-9.6-5.9
=10-5.9
=4.1
12.94-3.68-6.32
=12.94-(3.68+6.32)
=12.94-10
=2.94
20.18-(10.18-9.39)
=20.18-10.18+9.39
=10+9.39
=19.39
32.92-(9.73+22.92)
=32.92-22.92-9.73
=10-9.73
=0.27
12.68-3.67+3.32-1.33
=12.68+3.32-(3.67+1.33)
=16-5
=11
59.18-16.8-3.2-9.18
=59.18-9.18-(16.8+3.2)
=50-20
=30
46.03-5.95-6.05+10.97
=46.03+10.97-(5.95+6.05)
=57-12
=45
=12.54+(3.66+6.34)
=12.54+10
=22.54
8.37-6.74+2.26
=8.37-7+0.26+2.26
=1.37+3.52
=4.87
5.93+2.86-1.93
=5.93-1.93+2.86
=4+2.86
=6.86
18.2-6.54-1.46
=18.2-(6.54+1.46)
=18.2-8
=10.2
19.6-5.9-9.6
=19.6-9.6-5.9
=10-5.9
=4.1
12.94-3.68-6.32
=12.94-(3.68+6.32)
=12.94-10
=2.94
20.18-(10.18-9.39)
=20.18-10.18+9.39
=10+9.39
=19.39
32.92-(9.73+22.92)
=32.92-22.92-9.73
=10-9.73
=0.27
12.68-3.67+3.32-1.33
=12.68+3.32-(3.67+1.33)
=16-5
=11
59.18-16.8-3.2-9.18
=59.18-9.18-(16.8+3.2)
=50-20
=30
46.03-5.95-6.05+10.97
=46.03+10.97-(5.95+6.05)
=57-12
=45
展开全部
12.54+【3.66+6.34】=13.54 8.37-6.74+2.26=8.37-【6.74-2.26】=3.89 5.93+2.86-1.93 =5.93-1.93+2.86=6.86 18.2-6.54-1.46 =18.2-【6.54+1.46】=10.2 19.6-5.9-9.6=19.6-9.6-5.9=4.1 12.94-3.68-6.32 =12.94-【3.68+6.32】=2.94 20.18-(10.18-9.39)=20.18-10.18+9.39=19.39 32.92-(9.73+22.92)=32.92-22.92-9.73=0.27
12.68-3.67+3.32-1.33 =【12.68+3.32】-【3.67+1.33】=11
59.18-16.8-3.2-9.18 =【59.18-9.18】-【16.8+3.2】=30 46.03-5.95-6.05+10.97=【46.03+10.97】-【5.95+6.05】=45
12.68-3.67+3.32-1.33 =【12.68+3.32】-【3.67+1.33】=11
59.18-16.8-3.2-9.18 =【59.18-9.18】-【16.8+3.2】=30 46.03-5.95-6.05+10.97=【46.03+10.97】-【5.95+6.05】=45
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展开全部
12.54+3.66+6.34
=12。54+(3。66+6。34)
=12。54+10
=23。54
8.37-6.74+2.26
=8。37-7+0。26+2。26
=1。37+2。52
=3。89
5.93+2.86-1.93
=5。93-1。93+2。86
=4+2。86
=6。86
18.2-6.54-1.46
=18。2-(6。54+1。46)
=18。2-8
=10。2
19.6-5.9-9.6
=19。6-9。6-6+0。1
=4。1
12.94-3.68-6.32
=12。94-(3。68+6。32)
=2。94
20.18-(10.18-9.39)
=20。18-10。18+9。39
=19。39
32.92-(9.73+22.92)
=32。92-22。92-9。73
=0。27
12.68-3.67+3.32-1.33
=12。68+3。32-(3。67+1。33)
=16-5
=11
59.18-16.8-3.2-9.18
=59。18-9。18-(16。8+3。2)
=30
46.03-5.95-6.05+10.97
=46。03+10。97-(5。95+6。05)
=57-12
=45
=12。54+(3。66+6。34)
=12。54+10
=23。54
8.37-6.74+2.26
=8。37-7+0。26+2。26
=1。37+2。52
=3。89
5.93+2.86-1.93
=5。93-1。93+2。86
=4+2。86
=6。86
18.2-6.54-1.46
=18。2-(6。54+1。46)
=18。2-8
=10。2
19.6-5.9-9.6
=19。6-9。6-6+0。1
=4。1
12.94-3.68-6.32
=12。94-(3。68+6。32)
=2。94
20.18-(10.18-9.39)
=20。18-10。18+9。39
=19。39
32.92-(9.73+22.92)
=32。92-22。92-9。73
=0。27
12.68-3.67+3.32-1.33
=12。68+3。32-(3。67+1。33)
=16-5
=11
59.18-16.8-3.2-9.18
=59。18-9。18-(16。8+3。2)
=30
46.03-5.95-6.05+10.97
=46。03+10。97-(5。95+6。05)
=57-12
=45
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展开全部
(1)=12.54+(3.66+6.34)=12.54+10=22.54
(2)=8.37-7+0.26+2.26=1.37+2.52=3.89
(3)=5.93-1.93+2.86=4+2.86=6.86
(4)=18.2-(6.54+1.46)=18.2-8=10.2
(5)=19.6-9.6-5.9=10-5.9=4.1
(6)=12.94-(3.68+6.32)=12.94-10=2.94
(7)=20.18-10.18+9.39=10+9.39=19.39
(8)=32.92-9.73-22.92=32.92-22.92-9.73=10-9.73=0.27
(9)=12.68-(3.67+1.33)+3.32=12.68-5+3.32=11
(10)=59.18-9.18-(16.8+3.2)=30
(11)=46.03+10.97-(5.95+6.05)=45
我刚刚检查过了,保证全对,那个最快回答第一题错的
(2)=8.37-7+0.26+2.26=1.37+2.52=3.89
(3)=5.93-1.93+2.86=4+2.86=6.86
(4)=18.2-(6.54+1.46)=18.2-8=10.2
(5)=19.6-9.6-5.9=10-5.9=4.1
(6)=12.94-(3.68+6.32)=12.94-10=2.94
(7)=20.18-10.18+9.39=10+9.39=19.39
(8)=32.92-9.73-22.92=32.92-22.92-9.73=10-9.73=0.27
(9)=12.68-(3.67+1.33)+3.32=12.68-5+3.32=11
(10)=59.18-9.18-(16.8+3.2)=30
(11)=46.03+10.97-(5.95+6.05)=45
我刚刚检查过了,保证全对,那个最快回答第一题错的
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