①101+69=
②=
③=
④=
⑤100×0.09=
⑥1÷20%=
⑦=
⑧9÷=
⑨=
⑩=
⑪1千克+500克=
⑫43=
×=
521+46=
10﹣0.8=
204×5=
8.5÷0.5=
360÷5÷2=
=
+ = 50÷50%= = 3 -1.125=
1.9÷2.5÷0.4= ( )×18= = 1- =
180÷6= += ÷3= ×=
6﹣3.3= 2.2+3.57= ﹣= 39.5÷8≈(估算)
0.125×4= ×12= := 8×÷8×=
7.53﹣2.5= 45+215= ×63=
﹣= 24÷= +÷=