1、0.9x0.8= 4÷0.5= 4x0.5= 0.24x2=
2.1÷0.7= 0.23x100= 5.4÷0.9= 2÷0.04=
1÷0.01= 3÷0.5= 3.6÷0.6= 2.2x4=
8.4÷0.4= 0.125x8= 4.5÷0.9= 2.5x4=
1.2x4= 1.1x4= 4.4÷4= 1.3x3=
2.12x2= 2.3x3=
2、 3.6÷3= 0.45÷9=
3.6÷6= 2.6÷2= 1.2÷3= 5.8+0.2=
1-0.04= 0.62÷0.2= 7.75-0.75= 0.25+0.45=
1.1x800= 5+0.36= 69÷23= 3.5+4.5=
2.3x0.3= 5.6-0.6= 0.6+0.35= 48÷0.6=
3.6÷0.36= 5-0.62= 0.
3、8+12.2= 0.2x0.4=
0.63÷0.9= 2.7+7.3= 10x0.45= 0.12x2=
0.75÷0.5= 0.7+2.8= 7.3-0.6= 1.45+5.5=
1-0.68= 0.4x0.05= 0.5÷100= 0.84÷0.2=
0.61+0.06=
1.5×4= 2.5×4= 0.13× 4= 5.4÷10=
0
4、18×0.3= 4.2×1000= 0.45÷0.15= 3.6÷0.1=
8.5×100= 8.5÷ 1.7= 3.2÷100= 1.2÷0.3 =
0.49÷7= 0 .04×25= 0.096÷0.03= 84÷4.2=
1000×0.756= 0.5×100= 0÷0.25= 1÷0.01=
1.25×8=
5、 3.8×2= 7.2÷0.9= 1.6×0.2=
9.3÷0.3= 4÷0.4= 0.45÷0.5= 0.2÷0.01=
0.9×6= 2.1×0.3= 7×0.08= 1.87×0=
0.24×5= 0.2×0.5= 60×0.5= 0.05×1.6=
0.5×1.1= 0.8×0.5= 6÷0.12= 1.25×4=
4×0.25= 0.4÷8= 1.8×0.5= 8÷0.5=
0.32÷16= 2.5÷10= 6.3÷2.1= 0.92÷4=
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