①47.86×11﹣47.86
②2.25×1.8+77.5×0.18
③7.28﹣(1.28+0.25)
④14÷〔 ﹣( + )〕
16.5-4.72-5.28
①60-(3.7+0.75+8.6)
②4.64+5.78+1.36+5.22
③28.29-(6.9+18.29)
④37.15-8.3- (在 里添上一个数,可以使计算简便)
⑤8.3+5.85-4.13
⑥55.5-33.18-10.82
①78×134+66×78
②3600÷45÷2
③3.6+5.31+6.4+5.69
④125×64×8
⑤78.12-0.76-0.24
⑥600-(504-216)÷24
①
②1.25×1.3×80
③7.28-3.14+1.72-2.86
④
⑤
⑥
①96+4×105
②38×35+62×35
③38.23-(1.23+5.9)
④25×32×125
⑤1200÷25×4
⑥63.05-8.83+0.95-2.17
⑦100+87×125+25
⑧900÷[(58-33)×3]