24.3-5.5=
5-3.76=
3.4×40%=
18.5÷6=
×3.3=
⑴12:4=6:x
⑵x:5=2.5:0.1
⑶:x:
⑷
×=
25%×4=
+ =
×÷×=
1÷0.01=
+×0=
0.7+0.7×99=
+-=
20×30%= 60÷20%= 1000×4.2%= 20000×2.3%=
3.14×0.42= 3.14×0.52= 3.14×33= 3.14×23=
40×0.25= 1×1%= ×10=
1÷ × 5÷10%× = 10×12÷ =
( + )×7×5= ( - )×72=
÷ = + = 2.8÷70%= 25×0.4×5=
6- = × = 3.14×52= 0.3×0.2÷0.3×0.2=
第二季度
四月
五月
六月
合计