3.5+0.83.3 6.2-3.43.8 2.8+5.20.9
2.8+5.6= 12.8-3.9=
①1.4+0.6= 4.7-0.7= 1.4+2.6=
②1.9-1.9= 3-2.7= 4.6+0.4=
③2.8-1.8= 6.7-5.6=
1-0.2=1.2
+2.2= 7.8-2.6= 602÷2= 120×7=
70×20= 80÷8= 3200÷4= 170+30=
17÷6= 0×200= 84-48= 40×50=
63÷3= 100÷5= 22×40= 3.2+4=
30×30= 25×20= 24×3= 1-0.4=
5.6-1.5= 560÷7= 8000÷8= 642÷2=
①4.6+2.7=
②*3.8-1.9=
③23×21=
④618÷3=
⑤*402÷8=
⑥64×82=
①5.9+6.4=
②54×59=
③△470÷5=
④8.4-6.7=
⑤66×47=
⑥△621÷3=
10×48= 3×500= 630÷9=
+
= 1.7-0.6=
20×30= 5.3+4.1= 7.8-3.5=
-
= 450÷5=
96÷3= 80×5= 8.6元-6元= 102×3= 10×3+62=
0×47= 43X2= 720÷9= 200÷4= 28+12÷2=
0÷9= 0×120= 10×12= 9.6+0.4=
240÷4= 0.4+0.6= 3.5-1.5= 5.4-0.4=