25090317325311

· 26字 · 1分钟
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48-41=7 67+18=85 47+37=84
56÷7=8 56×79=4424 69×83=5727
246÷3=82 270÷3=90 103÷2=51 …… 1
(64÷2)+49=81 (46×49)+48=2302 7÷7+51=52
36+(54÷9)=42 (59×24)+41=1457 (91-34)×43=2451
89.47-37.24=52.23 92.2+9.11=101.31 74.17-37.34=36.83
17.37+18.78=36.15 78.05-38.86=39.19 89.5-79.82=9.68