4×7=
98-45=
22×0=
8×5=
3×4+4=
56+36=
81÷9=
18-6-6=
5×3=
45÷5=
36÷4=
100-42=
28+38=
9×3=
42÷7=
8×6=
30÷6=
64-34=
①58+27=
②42-33=
③85-61=
④60-31+29=
⑤82-(47+16)=
⑥74-(65-29)=
①48÷8=
②14÷7=
③72÷9=
④40÷5=
①71-29=
②67+23=
③60-34=
④98-39+14=
⑤34+25+6=
37>7× 6×<42 ×4<19
5×<27 4×<15
①-+-
②×+÷
③(6﹣1.3×4)÷0.1
④0.4×0.25×8×125
⑤3.4÷[(1.25+0.45)×23]