2.3+5.4=
12×0.01=
0.84÷12=
1.1-0.96=
1.25×5×2=
0.16×0.5 =
0.65÷5=
0.7+6.77=
2.3×3=
3.4+2.3+6.6=
24×64×125 9.61-(1.61+2.65)
1624÷ (707-36×14) 78×113-78×17+4×78
0.38+0.06=
(155+20)﹣65=
17.05﹣4.58=
5﹣0.15=
50﹣20÷5=
4.35+5.36=
99×66+66=
0.81+0.09=
0÷78=
35×25×4=
0.4×100=
2.8×5=
3.4-1.6=
78×21≈
3.2+0.8=
6-1.7=
0.3+0.47=
3.6÷100=
300÷60=
322÷80≈
40×80= 14×5= 25×40= 9×70=
56×2= 8×120= 30×600= 31×4=
24×5= 20÷80= 47+63= 475-370=
120÷60= 16×0= 47×2= 36-36×0=
180+270= 72-40= 40×25= 12×6÷8=
12×20=
0.56-0.44=
25×17×4=
380-51-49=
8.21+0.79=
0.8+4.7=
0.56×100=
3009÷100×10=