84-63÷7= |
420×2= |
54÷6= |
103×4≈ |
25-25×0= |
+ = |
1- = |
198×5≈ |
58+22= + = 36÷12= 750-240
800×9= 500-230= 56÷4= 730+80=
15×6= 1- = 601×3= 396×4=
49÷7+12= 15×3-16= 18+8×6=
①11.6+2.4=
②13.08﹣2=
③210÷7=
④120×8=
⑤25×4=
⑥360÷6=
10×4= 200×7= 24×4=
555×0= 123×2= 330×3=
49+33= 65﹣48= 32×3= 180+720= 406﹣102=
403×2= 0×189= ﹣ = + = + =
①408×6=
②462×7=
③811×6=
④723+241=
验算:
⑤850﹣357=
验算:
①900-562=
②123×3=
③※576+434 =
④※703-595=
⑤125×8=
⑥360×6=
30÷2= 55÷5= 401×2= 60÷3=
35÷5= 70×3= 0×570= 56÷7=
600×4= 80÷4= 400×9= 12×5=
20×5= 8×50= 13×4= 111×7= 345+455=
20÷5= 320÷8= 900÷3= 630÷9= 200-113=
96÷8= 35×4= 37+173= 75-125÷5=
14×5= 120÷5= 20÷5÷4= 5×8+2÷2=
4×203= 100÷4= 198-98×2= 22÷(1+1×10)=