①x+0.5x=4.2
②
③(48-2x)×=7.5
列式:
170﹣90=
0.46+0.4=
0.56÷0.8=
根据图中的信息解答下面问题。
①8(x﹣6.2)=41.6
②15.8﹣ +14.2﹣
③0.125×76+12.5%×24
④ x+ x=30
⑤
⑥
341-29= 5.7+1.24= -0.25= × =
3.2÷80%= ÷ = ×0+ = 12.5×8÷12.5×8=