3.7-0.7= 5.2+6.8= 0.25× 400= 1.25×0.8= 51.2÷100=
2.4×5= 0.58×10= 0.35+1.25= 8.36×0= 12.5-2.5+7.5=
8×125=
5÷1000=
800÷5=
0.02×100=
6.38×100= 0.96-0.57= 5.4+1.35= 8.4-3.6=
5.6÷10= 3.98+5.8= 15-2.4= 6.9+7.8=
0.55+0.45= 4.72-1.53= 6÷100= 10-2.3= 7.5×4=
0.06×0.7= 0.01×10= 3.13×4= 2.3×4×0= 840÷40=
①30+25×4=
②0.75+0.25=
③5.4-1.7=
④28×5=
⑤136×10=
⑥45+5×5=
⑦25×36=
⑧4.2-1.8=
28×26=26×
25×29×4= ××29
200×8×=200×15×8
25×(9×4)=(25×)×
×12= -= 100×50%= 0.32= 5﹣0.99=