240÷8=
22×30=
48÷4=
3000÷6=
8.6-3=
0÷45=
1-0.6=
2×50=
1.2+7.5=
250÷5÷5=
16+56÷8=
55÷6×0=
153÷5≈
61×89≈
423÷6≈
42×99≈
29×(163 -77) 308÷4÷7 27×12÷9
480÷60= 50×80= 30×40=
7×(48÷4)= 8×250= 5×3÷5×3=
81-81÷81= 40+60÷3= 11×(8-5)=
+=
-=
+=
150÷5=
51÷3=
40×60=
15×6 =
400×5= 90×50= 14×11= 8.6-7.4= 3.2+0.7= 1-0.4= 20+5×20= 1- = - = + =
9.2+4.7=
12-3.48=
2.9+3.1=
8.3-4.9=
36.8-5.9=
2.96+5.04=
7.3+6.5=
4.5+3.7=