13×40=
8.6-0.4=
5.6÷100=
35×4÷2=
5.6+5.4=
7.5×1000=
0.8×100÷10=
9.08-6+1.92=
3×3-5×6=24 5×6-3+3=24
25×16=
1.54+0.38+2.46=
10﹣6.04=
56.7÷100=
6.2﹣3.4=
101×20=
7200÷24=
0.26+0.4=
150×30=
5×24=
120÷24=
230×30=
21×40=
560-70=
360-360÷6=
25×7×4=
4.3×10= 0.3×0.01= 3.007×100= 4.4+6=
4.8+5.02= 20-3.5= 5.8÷10= 1÷5=
93÷1000= 10+3.8= 12.5×8= 6.7+4.3=
540÷90= 60×700= 37+73= 3×27= 42-12×3=
810-90= 24×50= 7×15= 42÷3= 15×4÷15×4=
A.(1,1)
B.(3,1)
C.(3,2)
1.2×2= 20×33%= 31×299≈
0.4÷8= + = 631÷9≈