3+5282 40+2041+20 27+10 26+10
25+425+10 3+4343+3 26+3036+20
56=50+ 78=+8
69=+ 42=+
27=+ 55=+
54+12= 75-34= 53+17= 36+21= 63-33=
18+21+11= 25+25+25= 78-24-31= 67-17-30= 34+20+15=
40+=45 +50=58
1+=41 -3=40
56-=50 -5=50
16÷89×2 27÷9×33×8÷3
45÷94×1 27÷3×54×5÷5
8+147+15 9÷9×918÷2