帮我算下面几道计算题.急

问题描述:

帮我算下面几道计算题.急
84x10=
15x50=
100x13=
9x58=
35x7=
715x2=
2x346=
9x166=
9x34=
3x406=
187x2
25x40=
162x7=
345x3=
5x170=
4x38=
7x146=
2x268=
2x583=
8x15=
109x7=
47x3=
20x46=
3x490=
2x673=
332x2=
100x16=
7x223=
5x114=
180x3=

840,750,1300,522,245,1430,692,1494,306,1218,374,1000,1134,1035,850,152,1022,536,1166,120,763,141,920,1470,1346,664,1600,1561,570,540