小兰在计算除法的时候,把除数65写成56,结果得到的商是13还余52.想一想:正确的商应该是多少?
直接写出得数.
28+46= 5.7+2.35==
=
= 50×40=
1﹣0.9==
口算:
200﹣102= 0.29÷10= 0.33= 0.32﹣0.2=
7.9÷100%= 2.52=×
= 36÷
=
450﹣140= 25÷7= 900+238= 600﹣9×8=
90﹣7×5= 26+30﹣28= 48÷(2+4)= 780﹣772=
26+24= 80﹣30= 78﹣26==
= 0.25×2.69×4= 10﹣2.87﹣7.13=
÷24=
3÷= 0.87﹣0.49 4.9×0.7=
=
=
=
=
=
(25+4)×4= 12.37﹣3.25﹣6.75= 3/14×6= 0.51÷17=
14﹣7.4= 5.2÷1.3= 25×12==
= 2.5﹣2= 36﹣29= 120÷4=
300+25= 630﹣30= 4×50= 15.9+10.8=
26×13= 24÷4+56÷4= 8﹣2.5= 12×2.5=
2吨50千克= 吨.
直接写得数.
204+583= 11﹣= 3×
= 0.64÷0.08=
﹣
=
÷
= 2.6×0.25×4= 62=
0.56×=
÷50%= 11.75﹣1.05=
÷
=
直接写出得数:
(1)54+26= (2)3.6﹣2.8= (3)×
= (4)
÷
=
(5)12×= (6)
÷14=(7)
﹣
=(8)
+
= .