16->9 24->3 11<15- -5<8
+8=12
﹣9=8
62﹣=60
﹣7=30
40+=46
16﹣=9
6+=13
﹣8=7
①( ﹣ )×24
②0.36×99+0.36
③20.8﹣(9.6+0.125÷12.5%)
④( ﹣ ÷2)×
⑤2.5×16×12.5
⑥0.5÷[ ﹣( ﹣ )]