1.06×7=
8.6÷4=
1.5×0.4=
7.2÷1.2=
4.8×2.5=
0.84÷2.8=
6.2a-3.8a=
965÷1.1 965
4.3×1.2 4.3
120÷0.999 120
0.82×0.98 0.82
- = × = 80÷10%= 42×3.14=
30%+0.45= 3.6÷0.18= 2- = 6- - =