像100+200-60,在加上四则混和运算,分数和小数……
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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
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 –2080 100-91 ÷13 (100-91)÷13 7.73-2.3÷0.5×0.8 1025-4050÷54 (100-19)÷(1.63+1.07)498+9870÷35 420.5 - 294÷2.8×2.8.82×15—100 5400-2940÷28×27 (20.2×0.4+7.88)÷4.221.6-0.8×4÷0.8 (9+92+93)×0.01 13.5×[1.5×(1.07+1.93)]1498+1068÷89 4.2÷1.5-0.36 0.54×1.75+8.25×0.5478 ×〔67 -(121 +37 ) (80-9.8)×0.6-2.1