①387+296=
②☆412+529=
③700-342=
④523+252=
⑤☆702-270=
⑥☆400-196=
⑦15×6=
⑧108×5=
⑨324×9=
①2×283=
②121×8=
③720×2=
④530+190=
⑤☆536+168=
⑥☆962-804=
①913-754=
②▲167+832=
③▲400-198=
④240×3=
⑤507×8=
⑥456×4=
①208+597=
②*800-193=
③425×6=
④307×4=
⑤600-558+358=
⑥397+324-167=
⑦863-165-267=
A.2
B.3
C.4
89+111= 18.5-5.7= 0.4÷40%= 7.8x-5x=
÷37.5%= 0.62= ×9÷ ×9=
85-37= ×16= 204×5= 62+18×3=