+0.375= 2.5×(17×4)= 631÷89≈
0.32= ×÷×=
0.98+9.2=
4.6÷0.1=
0.2×25=
7.5+2.5÷5=
6.8×(101﹣1)=
2﹣=
+=
2.7÷=
2﹣﹣=
3×÷3×=
3.6÷0.4=
=
401÷50≈
30%×90=
0.32=
27+68= 341﹣103= 270÷18= -=
2÷= 0.42×0.2= 3.5×50= ×=
24.06+0.4= += 5﹣+= 2.5×44=
15÷1%= 2.4×= 4×÷4×= 30÷62.5%=
307﹣299= += ×0.63= A﹣A=
5.2﹣0.6= ÷= ×= 4.25×4=
①540÷6=90 (千克)
解决的问题是:
②90×12=1080 (千克)