①6+6+6+6+6=
②5×4=
③4×2=
④2+2+2+2+2+2=
⑤3+6+9=
⑥2+8+4+2=
78-26= 33+58= 67+20= 37-19= 8×8=
80-7×9= 37+(85-26)= 25+5×6= 100-(43-27)=
96=54 126=18 728=9 2812=16
60÷80%= 75%+0.25= = =