Question

66:33+99:9 =
88:22+15×6 =
65 : (213-200)×10 =
84 :12 ×(307-300) =

Answer 1

1)13
2)94
3)50
4)49
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Answer 2

1)66/33+99/9=2+11=13
2)88/22+15*6=4+90=94
3)65/(213-200)*10=65/13*10=5*10=50
4)84/12*(307-300)=7*7=49