□-□=□ □-□=□
比 多多少个?
(个)
12-7= 14-6= 8+5= 11-4=
18-9= 4+9= 16-7= 14-7=
13-6= 15-8= 11-5= 9+5=
11-2= 12-3= 13-4= 16-9=
12+6= 47+4= 16-8= 6+11=
14+( )=18 ( )-16=4 ( )+6=56 ( )-2=42
① ×[0.75﹣( ﹣25%)]÷1.25
②6.37×1.25﹣1 +4.63×125%
③7.09× +0.225×6﹣60%×0.64
④ ×3+ ×25+ ×
⑤
⑥