6.7+4.3= | 0.32= | 12 = | 3%×5%= |
8÷0.02= | ﹣ = | = | 3a×4a= |
学校买来9套桌椅,共花3645元.
[1.9+1.9×(1.9-1.9)]÷1.9=( )
4×7/15=1÷1/2=2/3+1/6=7/8÷7=52/5+0.3=
5÷5/3=1/6×3/8=3/5-1/2=0.35+0.4=8×(12+0.5)=
①
②
③
④
⑤
⑥
①1.75÷0.25×0.4
②3.6×101-3.6
③7.2÷1.6+1.8
④7.24×0.1+0.5×72.4+0.049×724
⑤99.66×6+66.78×18
①44-22.5-7.5
②27×[480÷(35-19)]
③8.29+3.7+0.71+6.3
④125×89×8
⑤(324-285)×12÷26
⑥428×78+572×78