0×7= 2.6+0.4= 15÷0.01= 21.2﹣21=
18a+2a= 0.72÷0.8= 0.4×0.4= 0.12÷0.04=
0.8×100= 2.5×4×0=
0×7= 2.6+0.4= 15÷0.01= 21.2﹣21=
18a+2a= 0.72÷0.8= 0.4×0.4= 0.12÷0.04=
0.8×100= 2.5×4×0=
试题篮
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