数学脱式计算题100道带答案
5.4÷1.8+240×1.5
=3+360
=363
9000÷72×(1.25×0.7×8)
=9000÷72×7
=125×7
=875
61-(1.25+2.5×0.7)
=61-3
=58
[(10-0.8)+9.85]-2÷0.125
=19.05-2÷0.125
=19.05-16
=3.05
408-12×24
= 408 - 288
= 120
(46+28)×60
= 74 x 60
= 4440
42×50-17
= 2100- 17
= 2083
32+105÷5
= 32 + 21
= 53
420×(327-238)
= 420 x 89
= 37380
(4121+2389)÷7
= 6510 ÷7
= 930
3.416÷(0.016×35)
= 3.416 ÷0.56
= 6.1
0.8×[(10-6.76)÷1.2]
= 0.8 x(3.24÷1.2)
= 0.8 x 2.7
= 2.16
5.67×0.2-0.62
= 1.134-0.62
= 0.514
0.4×0.7×0.25
= 0.4 x 0.25 x 0.7
= 0.1 x 0.7
= 0.07
0.78+5.436+1
= 6.216 +1
= 7.216
30.8÷[14-(9.85+1.07)]
= 30.8 ÷ (14 - 10.92)
= 30.8÷3.08
= 10
[60-(9.5+28.9)]÷0.18
= (60- 38.4)÷0.18
= 21.6 ÷0.18
= 120
2.881÷0.43-0.24×3.5
= 6.7 - 0.24 x3.5
= 6.7 - 0.84
= 5.86
20×[(2.44-1.8)÷0.4+0.15]
= 20x (0.64 ÷0.4 +0.15)
= 20x(1.6 +0.15)
= 20 x1.75
= 35
28-(3.4+1.25×2.4)
= 28 - (3.4 + 3)
= 28 - 6.4
= 21.6
2.55×7.1+2.45×7.1
= (2.55 + 2.45) x7.1
= 5 x7.1
=35.5
0.8×〔15.5-(3.21+5.79)〕
= 0.8 x (15.5 - 9)
= 0.8 x 6.5
= 5.2
(31.8+3.2×4)÷5
= (31.8 + 12.8)÷5
= 44.6÷5
= 8.92
31.5×4÷(6+3)
= 126 ÷ 9
= 14
2÷2.5+2.5÷2
= 0.8 + 1.25
=2.05
194-64.8÷1.8×0.9
= 194 -36 x0.9
= 194-32.4
= 161.6
5180-705×6
= 5180 - 4230
=950
24÷2.4-2.5×0.8
=10 -2
=8
405×(3213-3189)
=405x24
= 9720
125×(97-81)
=125x16
=2000
6942+480÷3
= 6942 + 160
= 6782
20+80÷4-20
= 20 + 20 -20
= 40 -20
= 20
100÷(32-30)×0
= 100 ÷2 x0
=50 x0
= 0
25×4-12×5
= 100 - 60
= 40
70×〔(42-42)÷18〕
=70 x (0÷18)
= 70x0
= 0
75×65+75×35
= 75 x (65 +35)
= 75x100
= 7500
6-1.6÷4
= 6- 0.4
= 5.6
5.38+7.85-5.37
= 13.23 - 5.37
=7.86
7.2÷0.8-1.2×5
=9 - 6
=3
6-1.19×3-0.43
= 6-3.57 - 0.43
= 6- (3.57 + 0.43)
= 6-4
= 2
6.5×(4.8-1.2×4)
= 6.5 x(4.8 - 4.8 )
=6.5 x0
= 0
0.68×1.9+0.32×1.9
= (0.68 + 0.32) x1.9
= 1 x 1.9
= 1.9
10.15-10.75×0.4-5.7
= 10.15 - 4.3 - 5.7
= 10.15 -(4.3 + 5.7)
=10.15 - 10
=0.15
5.8×(3.87-0.13)+4.2×3.74
= 5.8 x 3.74 +4.2 x 3.74
= (5.8 +4.2)x3.74
= 10 x 3.74
= 37.4
32.52-(6+9.728÷3.2)×2.5
= 32.52 - (6+3.04)x2.5
= 32.52 - 9.02 x 2.5
= 32.52 -22.55
= 9.97
(136+64)×(65-345÷23)
= 200x(65-15)
= 200x 50
=10000
