4+4÷4-4=
25×28=
28÷100×10=
479-56-144=
147+56+53=
37×15×0=
4.8+2.1= 6.7-0.5= 0÷280= 264-(64+23)=
9-2.9= 4.2+8= 32-2×0= 6×6÷6×6=
①96+4×105
②38×35+62×35
③38.23-(1.23+5.9)
④25×32×125
⑤1200÷25×4
⑥63.05-8.83+0.95-2.17
⑦100+87×125+25
⑧900÷[(58-33)×3]
①88×125
②358-(58+35)
③67×101-67
④137+29+63
⑤25×(4+80)
⑥5×19×4