内容正文:
÷3 1.9 7.5 3 10 92367 2+3-1.8 0.4 ete ÷5 5 ÷0.3 28 7+7+85= 2 0.6 0.9 0.9 5 0.4 ÷0.5 4+1+7.3 ÷0.7 245 x7 24×1×0.7= 2 ÷0.8 0.1 0.6 9 2 0.5 2 3 3·724 9÷9×7.5=60 3 50 2..31 1.8=0.8 0.4 7 9721 5= 2"8T6 20 ÷0.3 7+1+8.5=16 0.6 6 4 0.9 27 6=2 5×0.927 50 1564=10.5 2÷0.45 1÷0.5 X7= 28 7.3=11.5 5 0.7 4.28 53节5 7 24×1×07=5.6 2×2=1 2÷0.85 0.1 1×0.6=50 8=4 ÷9 2 454 x0.5 2