列式计算:
7.91×3+3×2.19
8.67-5.8 +1.33
853-147-253
54×23+77×54
420÷28
1600-(720+650÷13)
(103-141÷47)×5
7200÷25÷4
8×(40+20)
42÷(90÷30)
18÷(24÷4)
10.5-1.5-3.5
145+78+255
125×32
656-164-36
6.84+0.6+1.4+5.16
54.25-2.14-7.86
4.8+0.2-4.8+0.2
(148-111÷37)×9
127+885÷59×7
2.45+3.8+0.55
(2296+7344÷36)×2.4
1÷0.45÷0.9-7/8
0.36×[(2+3.8)÷0.04]
68×35-408÷24
47.5-(0.6+6.4÷0.32)
44.08-44.08÷5.8
(309×17+375)÷84
3.35×6.4×2+6.7×3.6
+ + ÷4
7.5× +7.5÷
[ -( - )]×
3060÷15-2.5×1.04
75 ×23 +1415 ÷ 19
0.16+4÷(38 -18 )
37 -[ 195 -(145 +47 )]
35 ÷ [(15 +13 )÷29 ]
37 -[ 195 -(145 +47 )]
35 ÷ [(15 +13 )÷29 ]
6÷35 -35 ÷6
(10000-0.16×1900)÷96
38 ×[89 ÷( 56 -34 )]
168.1÷(4.3×2-0.4)
306×15
给我点六年级的数学题做类似问题答案