60×9= | 600+38= | 36÷4= | 90+420= | 325+475= |
98-15= | 72÷8= | 45÷9= | 16×7= | 0+15= |
150×0= | 92-9= | 320-207= | 129+350= | 200-170= |
400×5= | 900-750= | 7×700= | 3×222= | 5×9+6= |
22×6 ≈ | 302×9 ≈ | 298×3 ≈ | 29×8 ≈ | 508-397 ≈ |
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350+700350+600 459-90459-80
635+7878+635 500703-298
512+245412+345 600-296600-300-4
240÷4= 200÷2= 50×8= 60×6=
72×0= 50÷5= 110×3= 480÷8=
﹣ = = = =
1- = + = - = + = - =
400×5= 80+800= 150×6= 5×46 = 300×9=
130+470= 72-38= 420×2= 5×398≈
1- = + = - = + =
4×25= 120÷3= 0÷32= 60×50=
1- = + = - = + =
400×7= 13×3= 201×4= + =
0×539= 69÷3= 300×2×3= - =
+ = 1- = + =
7.4+2.6= 1-0.76= 9.3-6.5=
3.4-0.4= 5.3+1.9= 2.7+3=