25-25×0= 840÷4÷21= 900÷3= 250-80=
72÷6= 0÷65= 154-47= 30×15=
①47×(11+34)-325
②87÷3+54×13
③892-480÷6×5
④870÷(70-4×16)
90×30= 0÷598= 720÷60= 125×4=
680-350= 392×0= 30×3+8= 23×4+27×4=
①30+25×4=
②0.75+0.25=
③5.4-1.7=
④28×5=
⑤136×10=
⑥45+5×5=
⑦25×36=
⑧4.2-1.8=
6.2+1.8= 0.36+0.54= 3.6+0.4=
2.8-2.3= 1.3-0.6= 0.57-0.5=
6.4-3.2= 1.29-0.29= 0.74+0.26=
37-2-8= (16-7)×0= 2.3×100= 25×4=
42÷7÷6= 33+20+67= 13÷100= 125×8=
0.56×1000= 15.7÷1000= 77+23= 16×5=