(28+12)÷4=10
57-(37-15)=35
100-90:10=91
81:9+42÷6=16
8×7-6×9=2
63÷9+72÷8=16
90-40÷10=86
14+56÷7=22
60-42+8=26
(28+12)÷4=10 57-(37-15)=35 100-90:10=91 81:9+42÷6=16 8×7-6×9=2 63÷9+72÷8=16 90-40÷10=86 14+56÷7=22 60-42+8=26
(28+12)÷4=10
57-(37-15)=35
100-90:10=91
81:9+42÷6=16
8×7-6×9=2
63÷9+72÷8=16
90-40÷10=86
14+56÷7=22
60-42+8=26
(28+12)÷4=10 57-(37-15)=35 100-90:10=91 81:9+42÷6=16 8×7-6×9=2 63÷9+72÷8=16 90-40÷10=86 14+56÷7=22 60-42+8=26