据分析解答如下:(1)21.35-3.25-16.75,=21.35-(3.25+16.75),=21.35-20,=1.35;(2)33.02-(148.4-90.85)÷2.5,=33.02-57.55÷2.5,=33.02-23.02,=10;(3)32×2.5×0.125,=4×8×2.5×0.125,=(4...
据分析解答如下:(1)21.35-3.25-16.75,=21.35-(3.25+16.75),=21.35-20,=1.35;(2)33.02-(148.4-90.85)÷2.5,=33.02-57.55÷2.5,=33.02-23.02,=10;(3)32×2.5×0.125,=4×8×2.5×0.125,=(4...