①38×54+46×38
②458-299+342
③67.6-6.4+3.6
④6000÷25÷4
⑤88×125
⑥11×[375÷(71-46)]
①25×16×5
②101×99+101
③14.87+0.66-3.87+1.34
①143+236+157
②28+136+264+172
③248-123-27
④167+49+33+151
⑤369-89-111
⑥486-76-24-186
1.6×50= 6.3÷0.1= 1﹣= -×=