市里举行数学竞赛，共有12道题．规定：每做对一道题加10分，每做错一道题倒扣2分，不做不加分，也不扣分．小丽做完了12道题，得了96分．她做对了几道题？
直接写出得数．÷= 202﹣99= 3.5÷1000= 28÷1%=34×50= ×= 1.24÷0.4= 42×0.2=+= ﹣= ÷6= 1+99%=
直接写得数．= = 1= == 2﹣= = =
直接写出得数．2÷= 0.75÷0.25= 7×60%= 233﹣198= 175﹣75×=×= 4﹣= 5×23= ×= 2×÷2×=
谁平均一步的长度长一些？（小冬7步走了4米，小红10步走了6米．）
直接写得数．14÷= 14×= ××6= 0.1×30%=6×50%= ÷= ×0÷= 1﹣÷5=
÷
= 202﹣99= 3.5÷1000= 28÷1%=
×
= 1.24÷0.4= 42×0.2=
+
= 
= 
÷6= 1+99%=
= 
= 1
= 
=
= 2﹣
= 
= 
=
= 0.75÷0.25= 7×60%= 233﹣198= 175﹣75×
=
×
= 4﹣
= 5×23= 
×
= 2×
÷2×
= 14×
= 
×
×6= 0.1×30%=
÷
= 
×0÷
= 1﹣
÷5=
粤公网安备 44130202000953号