1÷ = 32×10= 4.7÷4.7=
5- = ×16= 3.14-3.1=
0.25×40= 985÷5= 12%+78%=
×= 1-= (7+)×8=
+= +6= 0.1+10%=
2019-998= = = =
= = = =
+= -= ÷= 6-=
45×30=
12.6÷0.3=
15×10=
15×=
0.4×0.2=
=
1.5a-a=
0.25×0.125×8=
2.5×0.4=
1÷10%=
0.32=
9.2×7.1
6.42÷0.8≈
1-1÷8=
=
0.375×=
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(本)
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