10+9+21
40
29-11-4
14
7x8x3
168
7x8x3
56x3
168
625÷25
5
625÷ 25 = la Racine caree de 625
22x52
100
(22) x (52)4x25
1/4 + 5/12
8/12 or 2/3
1/4 + 5/12
3/12 + 5/12
100+-45+9
64
100+-45 + 9 = 100 - 45 + 9
55+9
28x41
1148
28x40 + 28
90 x 1/2 ÷ 5
9
90 x 1/2 ÷ 5 = 90 ÷ 2 ÷ 5
45÷ 5
9
33-(90x22)
-351
(33)-[90x(22)]
9-(90x4)
9-360
204+1038+735
1977
4/8 - 9/40
11/40
4/8 - 9/40
20/40 - 9/40
408 ÷ 1/2
816
408 ÷ 1/2 = 408 x 2
1 5/6 ÷ 2 4/7
77/108
1 5/6 ÷ 2 4/7
11/6 ÷ 18/7
11/6 x 7/18
122+32-112
32
(122)+(32)-(112)
144+9-121
153-121
12634619+12974798
25609417
296/300 - 20 1/2
-5854/300
296/300 - 20 1/2
296/300 - 41/2296/300 - 6150/300
4001 x 42 x 5
320080
4001 x 42 x 5
4001 x 16 x 5
64016 x 5
506/12 ÷ 2 4/10
5060/288
506/12 ÷ 2 4/10
506/12 ÷ 24/10
506/12 x 10/24
(-44) x 23
2048
(-44)x(23)
256x8
1964736+(189263+120094)
2274093
1265673098 - 6743289823 - -747638221
-4729978504
45/69 x 789/43 x 1/3
35505/8901
45/69 x 789/43 x 1/3
35505/2967 x 1/3
200 ÷ 5 ÷ 0.5 ÷ -80 ÷ 0.5
-2
200 ÷ 5 ÷ 0.5 ÷ -80 ÷ 0.5
40 x 2 ÷ -80 x 2
80 ÷ -80 x 2
-1 x 2
64+72x52-9÷ 32
2520
(64)+[(72)x(52)]-(9÷32)