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①★ 258+736=
②★ 800-368=
③277×5=
④4200×2=
⑤65÷7=
⑥852-428=
⑦24+486=
⑧1256-648=
①827+465=
②917-632=
③420×14=
④550×8=
160+400= 65+25= 78-12 = 36+64=
40×7= 800×5= 39×4= 68×6=
1- = + = + = - =
482+38= 140×6= 144+56= 390+430=
560×2= 88×4= 400×3= 90-27=
+ = 1- = + = - =
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